Physics Quiz 13
1 / 50
Which one is the best material for making connecting wires ?
2 / 50
The speed of the fluid is maximum in the venturi meter at_______________?
3 / 50
Work has the dimension as that of same as that of__________________?
4 / 50
Semi-conductors with donor atoms and free electrons belong to the type________________?
5 / 50
The average acceleration caused by gravity per second is____________?
6 / 50
The standard vector symbol for flux density is ____________________?
7 / 50
Ultrasonic have__________________?
8 / 50
The span of the broad jump depends upon_______________?
9 / 50
In a plane polarized light _________________?
10 / 50
Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains ?
11 / 50
Name the branch of science which deals with the study of sound and sound waves?
12 / 50
The device used for conversion of D.? C. to A.? C. is called______________?
13 / 50
On a clear day at noon the solar energy reaching the earth is ____________________?
14 / 50
Ratio of the weight of H-atom to that of an electron is approximately______________?
15 / 50
Which of the following properties of molecules of a gas is same for all gases at particular temperature ?
16 / 50
During fusion of hydrogen into helium________________?
17 / 50
The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?
18 / 50
Least distance of distinct vision_____________?
19 / 50
What is the outward force acting on a mass of 10 kg when rotating at one end an inelastic string 10m long at speed of 1m/s ?
20 / 50
Longitudinal waves do not exhibit _____________________?
21 / 50
The performance of a refrigerator is described by________________?
22 / 50
Null vector is a vector which has________________?
23 / 50
A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
24 / 50
Wavelength of X-rays falling at glancing angle of 30? on a crystal with atmic spacing 2 x 10-10 for the fist order diffraction is________________?
25 / 50
Sterilization of surgical instruments medical supplies and bandages can be done by exposing them to a beam of_______________?
26 / 50
In Davisson-Germer experiment the diffracted proton from crystal shows______________?
27 / 50
Proton electron neutron and a particles have same momentum. Which of them have highest K.E ?
28 / 50
The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
29 / 50
How many types of units are in SI ?
30 / 50
Compton effect proves the________________?
31 / 50
An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?
32 / 50
When fluid is incompressible then________________?
33 / 50
The total energy of a body executing S.H.M is directly proportional to________________?
34 / 50
An ammeter measures the total current flowing through a circuit when it is connected__________________?
35 / 50
A galvanometer basically is an instrument used to ____________________?
36 / 50
When same current passes for same time through a thick and thin wire_________________?
37 / 50
When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is__________________?
38 / 50
A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?
39 / 50
Geiger counter is suitable for _________________?
40 / 50
Einstein?s photoelectric equation is given by_______________?
41 / 50
Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?
42 / 50
The specially designed semi-conductor diodes used as fast counters in electronic circuits are______________?
43 / 50
Depletion region of a junction is formed_____________?
44 / 50
pure resistor circuit the voltage and current are_______________?
45 / 50
The number of beats produced per second is equal to____________________?
46 / 50
When crest of one wave falls over the trough of the other wave this phenomenon is known as________________?
47 / 50
If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be_______________?
48 / 50
A body is falling freely under gravity. How much distance it falls during an interval of time between 1st and 2nd seconds of its motion, taking g=10 ?
49 / 50
The direction of the vector product is given by______________?
50 / 50
If the length of the second pendulum becomes four times, then its time period will become________________?
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