Monday , 22 January 2018

# Guess Paper Physics 10th Class 2017

## Guess Paper Physics 10th Class 2017

Note: (Guess Paper Physics 10th Class 2017) All published material contains an informatory data which is only gathered for educational purpose. These guesses are prepared after detailed analysis of past five years exams. Our entire team and/or publishers are not responsible in case of variation in assumed results and outcomes. However the purposes of attempted efforts are to provide accurate and effective knowledge to the readers, in any case our entire team and/or publishers will not be responsible for the accuracy or misusage of all published material.

# موسٹ امپورٹنٹ سوالات کے لیا سائٹ پیپر سے کچھ دن پھیلے بی چیک کریں: شکریہ

یہ پیپر اولڈ اور نیو کورس کا تجزیہ کر کے تیار کیا گیا ہے (٢٠١٠ سے ٢٠١۶ اولڈ پپیرس ). اپپنے سلیبس کے مطابق تیاری کریں شکریہ.

## Guess Paper of Physics 10th Class Important Short Questions

How waves are produced and propagated?
How spider detects its prey?
What is relationship of frequency and energy of waves?
How can you find the speed of sound by echo method?
What is a transformer? OR What do you mean by step up and step down transformer? OR Write the equation of the transformer? OR How many coils are used in transformer? Also name them.
How e.m.f of a battery measure?
Write advantages of parallel circuits over series circuit. OR Write the formula of parallel combination of capacitor.
Define mechanical waves. OR Why sound waves are called mechanic waves? OR Do mechanical waves pass through space? OR How can you define the term wave? OR What is the effect of medium on the speed of sound?
What is convex lens? OR Why convex lens is called converging lens?
Who developed first electric battery?
Which type of motion a simple pendulum exhibits? OR Define time period. Write the formula for the time period of a simple pendulum? OR If the length of a simple pendulum is double what will be the change in its time period?
Which two ways are used to connect resistors?
What is conventional current? OR Define current. What is its SI unit?
Define pitch and quality of sound. OR What is difference between frequency and pitch? OR Can sound waves travel through vacuum? OR Define intensity of sound. OR Enlist the characteristics of sound. OR Find the intensity level of whispering sound? OR How sound waves can be transmitted? OR What are the factors required for the propagation of sound? OR Explain reflection of sound, Which instrument is used in school laboratories for production of sound? OR Which instrument is used by doctors for hearing of sounds? OR Which device is used for measurement of potential difference across a circuit component?
What is magnification of refracting telescope? OR Which formula is used to determined magnification of compound microscope?
When motion is said to be damped? OR What is meant by damped oscillations?
What safety measures are taken to avoid radiation hazards?
What is work of Charles Coulomb?
What is wave equation? OR Enlist properties of waves. OR Define Transverse Waves and Longitudinal Waves?
What is want by isotopes of an element?
Give some properties of ultrasonic?
What is tuning fork?
How electroscope can be charged? OR Define gold leaf electroscope. Draw its diagram? OR What is the working principal of gold leaf electroscope?
Define electric field intensity and its unit? OR What is direction of electric intensity? OR What is the relation between electric field lines and electric intensity? OR What is meant by electric field of charge?
What is the main function of eardrum?
What is the construction of camera?
What is the composition of optical fibers?
What is the composition of an electron gun? OR For what purpose electron gun in in cathode ray oscilloscope?
What is spring constant? OR How does stiffness of the spring affect the value of k?
What is compound microscope? Also write its three features?
What is resonance?
What is nearsightedness? OR What is reason of short sightedness?
What is OR operation?
What is the function of voltmeter and ammeter?
What is near and far point?
State the law of reflection. OR What is meant by total internal reflection? OR Define reflection of light and two types.
What is meant by SONAR?
What is meant by refractive index?
What is lens? Write its some uses. OR What is meant by lens formula? OR What is meant by power of a lens? Write its unit.
What is meant by oscillation?
What is meant by nuclear transmutation processes? OR Write the chemical equation for fission nuclear.
What is meant by loudness? On which factors it depends upon?
What is meant by logic operations?
What is meant by endoscope?
What is meant by dual nature of light? OR What do you understand by reflection of light? OR Define refraction of light.
What is meant by doping?
What is meant by defect of vision? What are its types?
What is meant by critical angle? OR What is prism and angle of prism?
What is meant by circuit diagram? OR What is circuit breaker write the working principle of circuit breaker?
What is meant by capacitance? OR What do you mean by the capacitance of a capacitor?
What is meant by audible frequency range?
Define amplitude. OR What is meant by amplitude (A) of a body?
What is meant by acoustic protection?
What is function of switch?
What is Flemings Left hand rule?
At a certain temperature on which factor resistance depends. OR What is effect of temperature of resistance of conductors?
What is direction of movement of charge? OR In which direction positive charge is transferred? OR Why in conductors charge is transferred by free electrons rather than by positive charges?
Define capacitor. State its SI unit? OR Enlist some use of capacitors? OR What is capacitor? Which type of structure it has?
What is a p-n-p and n-p-n transistor?
What id depletion region?
What do you mean by forward biasing?
State Snell’s law write down the formula?
Safe level of noise depends on which factors?
Ohm’s law and write its formula.
Insulators also contain electrons. Why they do not conduct electricity?
How terrestrial telescope is different from a telescope?
How static electricity can be generated?
How static charges are dangerous? OR How can we produce a charge in neutral body?
How does photograph enlarger work?
Explain processing.
Write name of four output devices of a computer. OR How a fax machine works? OR Explain data managing. OR What is Data Management?
Define telescope. What do you know about refracting telescope?
Define Right hand grip rule?
Define principal focus?
Define logic gate.
Define Joules law. Also write its formula.
Define Hookes Law. Give its expression.
Define focal length (f)?
Define EMF of the source?
Define electromotive force and its formula.
Define crest and Trough.
Define carbon dating.
Define vibration.
Define potential difference and write the name of unit.
Define resistivity and write its formula.
Define Lenz’s Law.
Define telecommunication.
What is phone photo.
Explain in detail fission reaction.
Define atomic number and mass number and their formulas.
Define penetrating power / ability.
Explain D.C motor. OR What is an electric motor?
Define CBIS.
State Coulombs Law and write down its mathematical formula?
State Faraday’s law of electromagnetic induction?
How bats and dolphin move from one place to another to get their food?
What are optical fibres?
What is solenoid?
What is digitization?

## Guess Paper of Physics 10th Class Important Long Questions

Show that the expression for acceleration of a body executing SLIM?
What is meant by radioactive tracers? How these are useful?
How damping progressively reduces the amplitude of oscillations?
What are ultrasound or ultrasonic? How these can be used in daily life?
How distance from the vibrating body is affected to loudness of sound?
When cathode rays and electrons were discovered? What is thermionic emission? How this process is produced? OR Give three reasons to support the evidence that cathode rays are negatively charged electrons. OR What is cathode ray oscilloscope? Write a brief note on its components.
Wrtie down the characteristics of parallel combination of resistors.
Define simple microscope and also derive the formula of magnifying power. OR What is compound microscope? Draw its ray diagram to determine its magnification?
What are the components of information tecnology? Write the function of any three.
Write briefly about nuclear fusion reaction.
With the help of an activity, show that sound requires material medium for its propagation.
Why optical fiber is more useful tool for the communication process. OR Describe how total internal reflection is used in light propagating through optical fibers?
Define electromagnetic induction and explain it with example. OR What are magnetic effects of steady current? OR Explain deflection of electrons by electric and magnetic fields. OR When a moving electron enters the magnetic field, it is deflected from its straight path. Name two factors which can enhance electron deflection.
What is the importance of acoustics?
What is the audible frequency range for human ear? Does this range vary with the age of people? Explain. OR What are audible frequency range for young children and old people.
What is noise pollution? Explain that noise is a nuisance?
What is meant by total internal reflection? How it can be explained? What does this process occur? OR Explain the reflection of water waves reference to ripple tank. OR How will you explain the reflection of light by spherical mirror? Show it with the help of activity. OR What are spherical mirrors? Into how many types these are divided? OR Why or why not concave mirrors re suitable for make up?
Explain coulombs law of electrostatic and its mathematical form? OR Define electrostatics. Discuss the applications of electrostatics. OR How electroscope can be charged by electrostatic induction and conduction? For what purposes electroscope is used? OR What is meant by electrostatic potential? Explain. How potential difference between two points is defined?
What is kilowatt hour? How can the cost of electricity consumed in a house be calculated?
What features make better wiring system of house hold electricity?
What do you understand by the term mutual induction? Name and define SI unit and mutual inductance.
What do you mean by the term intensity level of the sound? Nance and define the unit of intensity level of sound? OR How can you measure the speed of sound by Echo Method? What factors can affect the accuracy of this method?
What do you know about digital quantities and digital electronics? OR What are analogue quantities and analogue electronics?
What do you know about ADC and DAC? OR Define A.C. Generator and Write the principle of A.C. Generator.
Define electronic mail. Write down its three advantages.
What are binary variables? How you can explain these variables?
Waves are the manes of energy transfer without transfer of matter. Explain. OR Describe the direction of an induced EMF in a circuit. How does this phenomenon relate to conservation of energy?
What is meant by accommodation? Explain the mechanism of accommodation in human eve?
Write down the expression and truth table of NOR gate. OR Show that the circuit given as belong acts as AND gate.
Define thermionic emission and name the factors which can enhance thermionic emission.
How will you explain the nature and properties of different radiations? OR Explain briefly Background of Radiations?
How transmission of electrical signal through wires in happened? OR Explain briefly the transmission of radio waves through space.
How current in measured? Which instruments are used to measure the current?
Explain Weber-Fechner law.
Explain the structure of llama eye?
Define simple harmonic motion and prove that motion of mass attached with spring have simple harmonic motion.
Explain battery as a current source.
Determine the equivalent resistance of series combination of resistors.
Describe the uses of radioisotopes in different fields?
Define specific resistance and derive its formula.
Define a relationship between speed, frequency and wavelength of a wave.
Explain the Characteristics of beta particles
What are the risks of ICT to society and environment?
Difference between electic power and kilowatt hour?
Differences between real and virtual images?
Differentiate between regular and irregular reflection.
Differentiate between ohmic and non ohmic conductor.
Differentiate between intensity and intensity level of a sound?
Differentiate between information and communication technology.
Differentiate between audible and inaudible sounds?
Differences between nuclear fission and nuclear fusion.
Difference between capacitor and dielectric?
Difference between D C and A.C.
Difference between musical sound and noise?
Difference between magnifying power and resolving power? Explain.
What is difference between data and information?
Is there any difference between echo and reflection of sound? Explain.
Write two differences between D.C. and A.C.
What is the difference between conductors and insulators?
What is difference between a generator and a motor?
What is the difference between a cell and battery?
Writ a note on Coulumb’s law.
Wrtie a note on the waves as carrier of energy.
Write an extensive note on different types of capacitors?
Write a detailed note on OF operation and OR gate.
Write a detail note on NOT operation and NOT gate.
Write a note on fuse? OR Does a fuse in a circuit control the potential difference or the current?