Physics Quiz 1

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Physics Quiz 1

1 / 50

Bernoulli?s equation is obtained by applying the law of conservation of ________________?

2 / 50

The resistance of a conductor at absolute zero (OK) is________________?

3 / 50

Forced vibration is known as_____________________?

4 / 50

Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?

5 / 50

Geothermal energy is a _______________________ source of energy?

6 / 50

The velocity of the mass attached to a spring is maximum at_______________?

7 / 50

Velocity of sound in vacuum is ____________________?

8 / 50

Electrons present in p-type material due to thermal pair generation are_____________?

9 / 50

Why gamma rays are used to kill bacteria to sterilize surgical equipment etc ?

10 / 50

The purpose of flywheel in the engines is________________?

11 / 50

Which of the following will be a better shield against gamma rays ?

12 / 50

Davison Germer experiment indicates__________________?

13 / 50

Which one is venturi relation ?

14 / 50

Electron cannot exist in the nucleus it is confirmed by observing that______________?

15 / 50

If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?

16 / 50

Physics is one of the branches of___________?

17 / 50

Photon of highest frequency will be absorbed when transition takes place from_____________?

18 / 50

Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

19 / 50

The graphical representation of Ohms law is___________________?

20 / 50

Wave-like characteristic of electron is demonstrated by______________?

21 / 50

When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?

22 / 50

Doppler effect applies to____________________?

23 / 50

In multimode step index fibre the refractive index of core and cladding is____________?

24 / 50

Various types of cancer are treated by_________________?

25 / 50

Which of the following is not a correct representation method for prefixes______________?

26 / 50

Temperature is a property which determines_________________?

27 / 50

A wheat stone bridge is said to be balanced when____________________?

28 / 50

Propulsion force of a rocket is____________________?

29 / 50

The turning effect of force is called_________?

30 / 50

For the successful operation of Heat engine which condition should be met ?

31 / 50

An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?

32 / 50

Production of heat due to an electric current flowing through a conductor is given by _________________?

33 / 50

Any alteration produced in shapes length or volume when a body is subjected to some external force is called____________________?

34 / 50

0.001 kg mass will be equivalent to_________________?

35 / 50

Forward current through a semi conductor diode circuit is due to____________?

36 / 50

The beats frequency (sensible) for a human car is _____________________?

37 / 50

The penetrating power of X-rays depends on their______________?

38 / 50

Ammeter connected in an AC circuit measures______________?

39 / 50

Beats are the results of____________________?

40 / 50

If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is ___________________?

41 / 50

Holes can exist in____________________?

42 / 50

While measuring the unknown resistance the help of slide wire bridge a greatest accuracy can be achieved when__________________?

43 / 50

For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?

44 / 50

Which of the following types of force can do no work on the particle on which it acts ?

45 / 50

The angular speed for daily rotation of the earth in rad S-1 is______________?

46 / 50

When the coil of the galvanometer is in equilibrium then the deflecting couple is____________________?

47 / 50

A mass spectrograph (spectrometer) sorts out____________?

48 / 50

The electronic circuits which implement the various logic operations are called_____________?

49 / 50

Electron moves in the orbit as________________?

50 / 50

What is the self-inductance of a coil in which an induced emf of 2V is set up when the current changes at the rate of 4 As-1 ?

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