Physics Quiz 3

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Physics Quiz 3

1 / 50

The frequency of a circuit consisting of a capacitance C and a resistor R is________________?

2 / 50

Radiation produced from TV picture tube is_____________?

3 / 50

In vibrating cord the points where the amplitude is maximum, are called ___________________?

4 / 50

Strontium-90 is used as __________________?

5 / 50

Work done by the force of friction is____________________?

6 / 50

Absolute uncertainty in a measurement depends upon______________?

7 / 50

The bombardment of nitrogen with alpha particles will produce______________?

8 / 50

Sound waves do not travel in vacuum because ___________________?

9 / 50

The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

10 / 50

1st law of motion gives the definition of _________________________?

11 / 50

Thermocouples convert___________________?

12 / 50

When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by______________?

13 / 50

A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

14 / 50

The restoring force acting on the simple pendulum is given by_______________?

15 / 50

The branch of Physics which deals with properties of gravitational?

16 / 50

How much heat does a 40 W bulb generates in one hour ?

17 / 50

If a body a mass of 2 kg is raised vertically through 2m, then the work done will be _________________?

18 / 50

If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?

19 / 50

The alternating voltage is an example of_______________?

20 / 50

Irregular flow of fluid is called_______________?

21 / 50

Acceptor and donor impurities donate______________?

22 / 50

On the basis of band theory of solids the semiconductors have _____________________?

23 / 50

The co efficient of linear expansion is equal to__________?

24 / 50

The cross product i^ x j^ is equal to_______________?

25 / 50

In the transistor schematic symbol, the arrow_______________?

26 / 50

The diameter of a lens is called________________?

27 / 50

A chimney works best if air exposed to the chimney is______________?

28 / 50

A magnetic field___________________?

29 / 50

Antimatter consists of ______________?

30 / 50

Unit of power of a lens is________________?

31 / 50

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

32 / 50

Magnification of the astronomical telescope is_____________?

33 / 50

Alpha particles possess greater penetration power than that of beta particles due to its_____________?

34 / 50

Choose the correct statement. In the case of AC circuit ohms law holds for_______________?

35 / 50

In case of planets the necessary acceleration is provided by______________?

36 / 50

Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?

37 / 50

Concentration of red cells in blood is about______________?

38 / 50

A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be_____________?

39 / 50

The escape velocity of a body in gravitational field of earth is independent of__________________?

40 / 50

SI unit of the coefficient of viscosity is___________________?

41 / 50

When a body moves in a straight line then its displacement coincides with__________________?

42 / 50

A body in equilibrium__________________?

43 / 50

The velocity of light was determined accurately by_______________?

44 / 50

The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?

45 / 50

Which branch of science plays an important role in the development of technology and engineering ?

46 / 50

According to Einstein light travels form one place to another in the form of ________________?

47 / 50

The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12?. Galvanometer resistance is_____________?

48 / 50

SI unit of flux density is____________________?

49 / 50

The frequency of the second pendulum is________________?

50 / 50

Two fog droplets have radius 2:3 their terminal velocities are_______________?

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