Physics Quiz 3
1 / 50
A body in equilibrium__________________?
2 / 50
The alternating voltage is an example of_______________?
3 / 50
In case of planets the necessary acceleration is provided by______________?
4 / 50
Absolute uncertainty in a measurement depends upon______________?
5 / 50
SI unit of the coefficient of viscosity is___________________?
6 / 50
In vibrating cord the points where the amplitude is maximum, are called ___________________?
7 / 50
A magnetic field___________________?
8 / 50
The escape velocity of a body in gravitational field of earth is independent of__________________?
9 / 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_________________?
10 / 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 __________________?
11 / 50
Radiation produced from TV picture tube is_____________?
12 / 50
In the transistor schematic symbol, the arrow_______________?
13 / 50
The frequency of the second pendulum is________________?
14 / 50
Thermocouples convert___________________?
15 / 50
Acceptor and donor impurities donate______________?
16 / 50
Alpha particles possess greater penetration power than that of beta particles due to its_____________?
17 / 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_____________?
18 / 50
Magnification of the astronomical telescope is_____________?
19 / 50
SI unit of flux density is____________________?
20 / 50
According to Einstein light travels form one place to another in the form of ________________?
21 / 50
The bombardment of nitrogen with alpha particles will produce______________?
22 / 50
The co efficient of linear expansion is equal to__________?
23 / 50
Unit of power of a lens is________________?
24 / 50
When a body moves in a straight line then its displacement coincides with__________________?
25 / 50
The restoring force acting on the simple pendulum is given by_______________?
26 / 50
Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?
27 / 50
The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12?. Galvanometer resistance is_____________?
28 / 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_____________________?
29 / 50
The branch of Physics which deals with properties of gravitational?
30 / 50
Work done by the force of friction is____________________?
31 / 50
1st law of motion gives the definition of _________________________?
32 / 50
Which branch of science plays an important role in the development of technology and engineering ?
33 / 50
Strontium-90 is used as __________________?
34 / 50
Antimatter consists of ______________?
35 / 50
The frequency of a circuit consisting of a capacitance C and a resistor R is________________?
36 / 50
The cross product i^ x j^ is equal to_______________?
37 / 50
How much heat does a 40 W bulb generates in one hour ?
38 / 50
On the basis of band theory of solids the semiconductors have _____________________?
39 / 50
Sound waves do not travel in vacuum because ___________________?
40 / 50
Choose the correct statement. In the case of AC circuit ohms law holds for_______________?
41 / 50
Irregular flow of fluid is called_______________?
42 / 50
The diameter of a lens is called________________?
43 / 50
The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?
44 / 50
Concentration of red cells in blood is about______________?
45 / 50
The velocity of light was determined accurately by_______________?
46 / 50
A chimney works best if air exposed to the chimney is______________?
47 / 50
When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by______________?
48 / 50
Two fog droplets have radius 2:3 their terminal velocities are_______________?
49 / 50
If a body a mass of 2 kg is raised vertically through 2m, then the work done will be _________________?
50 / 50
The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?
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