Physics Quiz 1
1 / 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 ___________________?
2 / 50
In multimode step index fibre the refractive index of core and cladding is____________?
3 / 50
Forced vibration is known as_____________________?
4 / 50
Propulsion force of a rocket is____________________?
5 / 50
Holes can exist in____________________?
6 / 50
Electron cannot exist in the nucleus it is confirmed by observing that______________?
7 / 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_________________?
8 / 50
Why gamma rays are used to kill bacteria to sterilize surgical equipment etc ?
9 / 50
The resistance of a conductor at absolute zero (OK) is________________?
10 / 50
The penetrating power of X-rays depends on their______________?
11 / 50
Temperature is a property which determines_________________?
12 / 50
When the coil of the galvanometer is in equilibrium then the deflecting couple is____________________?
13 / 50
Geothermal energy is a _______________________ source of energy?
14 / 50
Electron moves in the orbit as________________?
15 / 50
Production of heat due to an electric current flowing through a conductor is given by _________________?
16 / 50
Ammeter connected in an AC circuit measures______________?
17 / 50
The velocity of the mass attached to a spring is maximum at_______________?
18 / 50
Bernoulli?s equation is obtained by applying the law of conservation of ________________?
19 / 50
A mass spectrograph (spectrometer) sorts out____________?
20 / 50
Forward current through a semi conductor diode circuit is due to____________?
21 / 50
The graphical representation of Ohms law is___________________?
22 / 50
A wheat stone bridge is said to be balanced when____________________?
23 / 50
Velocity of sound in vacuum is ____________________?
24 / 50
Electrons present in p-type material due to thermal pair generation are_____________?
25 / 50
0.001 kg mass will be equivalent to_________________?
26 / 50
Which one is venturi relation ?
27 / 50
The electronic circuits which implement the various logic operations are called_____________?
28 / 50
For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?
29 / 50
The turning effect of force is called_________?
30 / 50
The beats frequency (sensible) for a human car is _____________________?
31 / 50
The angular speed for daily rotation of the earth in rad S-1 is______________?
32 / 50
Davison Germer experiment indicates__________________?
33 / 50
For the successful operation of Heat engine which condition should be met ?
34 / 50
Which of the following will be a better shield against gamma rays ?
35 / 50
Which of the following is not a correct representation method for prefixes______________?
36 / 50
Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?
37 / 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 ?
38 / 50
Any alteration produced in shapes length or volume when a body is subjected to some external force is called____________________?
39 / 50
Various types of cancer are treated by_________________?
40 / 50
Doppler effect applies to____________________?
41 / 50
Beats are the results of____________________?
42 / 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?
43 / 50
While measuring the unknown resistance the help of slide wire bridge a greatest accuracy can be achieved when__________________?
44 / 50
The purpose of flywheel in the engines is________________?
45 / 50
Physics is one of the branches of___________?
46 / 50
If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?
47 / 50
Which of the following types of force can do no work on the particle on which it acts ?
48 / 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_______________?
49 / 50
Photon of highest frequency will be absorbed when transition takes place from_____________?
50 / 50
Wave-like characteristic of electron is demonstrated by______________?
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