Physics Quiz 2
1 / 50
Which experiment shows that wavelength of light is smaller than that of sound___________________?
2 / 50
Which instrument is suitable to measure the internal diameter of a test tube?
3 / 50
Newtons laws do not hold good for particles_______________?
4 / 50
A field in which the work done in a moving a body along closed path is zero is called________________?
5 / 50
Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?
6 / 50
Cos?i^ + Sin?j^ is a_________________?
7 / 50
The energy liberated when one atom of U-235 undergoes fission reaction is________________?
8 / 50
After traveling through a vacuum a photon of light entering into some transparent denser medium. Thus the energy of light______________?
9 / 50
Which of the following substances posses the highest elasticity ?
10 / 50
A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?
11 / 50
Which of the following waves have smallest velocity in vacuum?
12 / 50
Nuclear forces exist between ___________________?
13 / 50
Ina liquid metal fast breeder reactor, the type of uranium used is______________?
14 / 50
X-ray are________________?
15 / 50
The device or circuit used for conversion of A.? C. into D.? C. is called_______________?
16 / 50
When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?
17 / 50
Number of significant figures in 0.0173 is_________________?
18 / 50
The direction of a vector in space is specified by_______________?
19 / 50
The phase angle between the voltage and the current in an AC circuit consisting of a resistance is______________?
20 / 50
A satellite moving around the earth constitutes______________?
21 / 50
Inertia of an object is quantitative measure of its__________________?
22 / 50
The dimension of power is_______________?
23 / 50
Magnetic flux and flux density are related by___________________?
24 / 50
The angular position of cells remains the same for a sample of a crystal. This property is called___________________?
25 / 50
Which one of the following is massless?
26 / 50
Neutron and proton are commonly known as______________?
27 / 50
Terminal velocity is_____________?
28 / 50
Which one of following postulate is in accordance with the Rutherfords model ?
29 / 50
Gives the definition of metre in terms of wavelength of red cadmium light ___________________?
30 / 50
If a material object moves with speed of light its mass becomes ________________?
31 / 50
The locus of all points in a medium having the same phase of vibration is called____________________?
32 / 50
Work done on the body equals to the _____________________?
33 / 50
A man standing near a fast moving train may fall___________?
34 / 50
Which one of the following properties of light does not change with the nature of the medium ?
35 / 50
A convex lens acts as a diverging lens if the_________________?
36 / 50
If a photon is reflected from the mirror then the change in momentum of each photon is_______________?
37 / 50
In Young double slit experiment, if white light is used____________________?
38 / 50
What is the angle of projection for which the range and maximum height become equal ?
39 / 50
Which one is not a branch of physical sciences ?
40 / 50
Pair production can take place only with_________________?
41 / 50
Simple harmonic motion is a type of________________?
42 / 50
Mach number is used in connection with the speed of___________?
43 / 50
The curie temperature is that at which ____________________?
44 / 50
The diameter of an atom is approximately_______________?
45 / 50
Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________?
46 / 50
Semi-conductor germanium and silicon are_________________?
47 / 50
In an interference pattern______________________?
48 / 50
The dimension of torque is______________?
49 / 50
Torque is defined as______________?
50 / 50
In He-Ne laser the lasing action is produced by_______________?
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