Physics Quiz 12
1 / 50
In forward bias the width of potential barrier_____________?
2 / 50
The rectangular voltage is an example of____________________?
3 / 50
The acceleration of a projection on the diameter for a particle moving along a circle is_______________?
4 / 50
Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?
5 / 50
Which one of the following possesses greater penetration power ?
6 / 50
An alpha particle in a single encounter__________________?
7 / 50
A three-dimensional image is obtained by________________?
8 / 50
The range of the projectile at 30 deg and 60 deg are__________________?
9 / 50
I ^. (j^ x k^) is equal to______________?
10 / 50
Which instrument is suitable to measure the internal diameter of a test tube?
11 / 50
Which of the following pairs does not have identical dimensions ?
12 / 50
For normal adjustment, length of astronomical telescope is______________?
13 / 50
Motorcycle safety helmet extends the time of collision hence decreasing the________________?
14 / 50
One torr is equal to_________________?
15 / 50
The Fahrenheit and centigrade scales agree to________________?
16 / 50
Resistance of an ideal insulator is __________________?
17 / 50
Which one of the following material is most suitable for making core of an electromagnet ?
18 / 50
Coercive force is the force which opposes ____________________?
19 / 50
Linear momentum of a photon is_______________?
20 / 50
The periodic alternation of sound between maximum and minimum loudness are called___________________?
21 / 50
Diffraction effect is____________________?
22 / 50
If A=B, which of the following is not correct ?
23 / 50
In the electron microscope, electric & magnetic fields are used as_______________?
24 / 50
Standard condition STP refer to a gas at ___________________?
25 / 50
The least count of Vernier caliper is ________ containing 10 Vernier scale divisions?
26 / 50
Ground state energy of the 4th orbit in a H-atom is_____________?
27 / 50
According to Pascals law the pressure of gas in a vessel is_____________?
28 / 50
An alternating current of the r.m.s value of 4.0 A and frequency 50Hz flows in a circuit containing a 10? resistor. The peak current is then ?
29 / 50
The physics of moving charge particles is known as__________?
30 / 50
Which one is true for internal energy ?
31 / 50
If n number of the photon is striking on a metal surface then total momentum exerted is_______________?
32 / 50
Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________________?
33 / 50
The especially designed semiconductor diodes used as indicator lamps in electronic circuits are___________?
34 / 50
The rectangular coordinate system is also called______________?
35 / 50
A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?
36 / 50
In a half-wave rectifier the r.m.s. value of the A.? C. component of the wave is________________?
37 / 50
The energy of SHM is maximum at_______________?
38 / 50
The value of critical angle for glass is_______________?
39 / 50
The effect of the decrease in pressure with the increase of the speed of the fluid in a horizontal pipe is known as______________?
40 / 50
Which one of the following radiations has the strongest photon?
41 / 50
Electrical resonance is observed in_______________?
42 / 50
An alternating current or voltage_____________________?
43 / 50
The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?
44 / 50
When velocity time graph is a straight line parallel to time axis then__________________?
45 / 50
A light ray traveling form rarer to denser medium suffers a phase change of__________________?
46 / 50
If a current carrying solenoid is suspended freely it will__________________?
47 / 50
The planet nearest to the earth is______________?
48 / 50
When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?
49 / 50
A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?
50 / 50
The unit of radioactivity curie is equal to________________?
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