Q.1. Encircle the correct option.1) Wave transfera) Energyb) Frequencyc) Wavelengthd) Velocity2) Which of the following characteristics of a wave is independent of the others?a) Speedb) Frequencyc) Amplituded) Wavelength3) Which of the following is method of energy transfer?a) Conductionb) Convectionc) Radiationd) All of these4) In a vacuum all electromagnetic waves have the samea) Speedb) Frequencyc) Amplituded)… Continue reading Previous paper class 10th(Physics)
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Q No: 1 Encircle the correct answer.1: The area under the velocity time graph isa: Force b: acceleration c: Distance d: Torque2: When the velocity time graph is straight line parallel to time axis, then:A: a is constant B: a is variable C: a is zeroD: velocity is zero3: The unit of acceleration is:a: m… Continue reading Previous paper class 1st Year(Physics)
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Q No 2: Short Questions (7×2=14)1: Do bends in a wire affect its electrical resistance? Explain.2: Why does the resistance of a conductor rise with temperature?3: Define electric current and its unit?4: State the Ohm’s law?5: What is Rheostat?6: Describe a circuit which will give a continuously varying potential.7: Explain why the terminal potential difference… Continue reading Previous paper class 2nd Year(Physics)
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Q # 2: Answer these following short questions: /24I: Define base and derived quantities?II: What is rest and Motion explain with the help of example?III: Differentiate between scalars and vectors quantities with the help of defines?IV: what do you know about significant figure?V; Explain speed time graph?VI: A car starts from rest its velocity 20m/s… Continue reading Previous paper class 9th(Physics)