Physics Quiz 10
1 / 50
A thing that emits its own light is___________________?
2 / 50
Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then_____________?
3 / 50
In full wave rectification the output D.? C. voltage across the load is obtained for_____________?
4 / 50
In simple cube one atom or molecule lies at its______________________?
5 / 50
The magnitude of i^. (j^ x k^) is________________?
6 / 50
Which one of the following radiation possesses maximum penetrating power ?
7 / 50
To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________?
8 / 50
Which of the following is not derived quantity________?
9 / 50
Gravitation force of earth is___________?
10 / 50
If the wavelength of incident radiation is increased in photoemission then_________________?
11 / 50
An OP-AMPs can amplify_______________?
12 / 50
Newton estimated the speed of sound _____________________?
13 / 50
Mass of neutron is________________?
14 / 50
Which one has the greatest energy gap ?
15 / 50
When the speed of a moving body is doubled then___________________?
16 / 50
Adiabatic process is also called______________?
17 / 50
Photoelectric effect was given by ____________________?
18 / 50
The first book of Physics was written by__________?
19 / 50
20 / 50
The work done in the isochoric process is________________?
21 / 50
Two sources of light are coherent if they emit rays of_______________?
22 / 50
Which shows the correct relation between time of flight T and maximum height H ?
23 / 50
In a semiconductors the charge carriers are ___________________?
24 / 50
The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?
25 / 50
In any measurement the significant figures are______________?
26 / 50
Terminal velocity is given by equation_______________?
27 / 50
At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale?
28 / 50
Optical active crystals rotates the __________________?
29 / 50
S.I unit of frequency is_________________?
30 / 50
Resistance of a conductor depends upon_________________?
31 / 50
Waves emitted from the antenna are__________________?
32 / 50
A vacant or partially filled band is called _____________________?
33 / 50
Time rate of change of momentum is equal to____________________?
34 / 50
SI unit of torque is______________?
35 / 50
Which of the following pair has same direction always ?
36 / 50
Mark the wrong statement ?
37 / 50
The area under the force displacement graph represents__________________?
38 / 50
The period of a circular motion is given by_______________?
39 / 50
Electromagnetic waves transport___________________?
40 / 50
The magnetic field strength of solenoid is__________________?
41 / 50
The unit of entropy is________________?
42 / 50
The breaking of crystals along definite direction is called _____________________?
43 / 50
The length of the second pendulum is________________?
44 / 50
One light year is equal to________________?
45 / 50
Reverse process of photoelectric effect is_______________?
46 / 50
The trajectory (or path) of a projectile is_________________?
47 / 50
The Branch of Physics deals with highly energetic ions is called__________?
48 / 50
Medium which sends signal from source to destination is known as ________ ?
49 / 50
The energy absorbed by a body is __________________ at resonance?
50 / 50
Prefix deca represents_______________?
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