Physics Quiz 16
1 / 50
Electrical energy is measured in___________________?
2 / 50
Boyles law helds for ideal gases in________________?
3 / 50
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
4 / 50
A vector can be multiplied by a number. The number may be_______________?
5 / 50
A force applied on a body through the string is called_________?
6 / 50
The value of resistivity for insulator is of the order of____________?
7 / 50
Rutherford in his atomic model could not explain behavior of ___________ ?
8 / 50
The velocity of an oscillating charge as it moves to and fro along a wire is always_____________?
9 / 50
A mass spectrograph (spectrometer) sorts out____________?
10 / 50
A cup of milk is placed in a microwave oven. Tell which statements is false. (1) Milk will be heated up only. (2) Cup will remain cool. (3) Both cup and mild will get hot ?
11 / 50
Area under velocity time graph represent_____________________?
12 / 50
The bulk properties of materials such as their mode of fracture can be related to their____________________?
13 / 50
Velocity of fluid increases where the pressure is________________?
14 / 50
The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?
15 / 50
The uncertainty in a measurement may occur due to_______________?
16 / 50
T.V sets and microwave ovens emit ___________________?
17 / 50
In hydrogen spectrum which one of the following series lies in the ultraviolet region ?
18 / 50
A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?
19 / 50
During an encounter with an atom alpha particle knocks out ______________?
20 / 50
The current through a metallic conductor is due to the motion of _________________?
21 / 50
Electrons_________________?
22 / 50
Which one of the following radiations possesses maximum velocity ?
23 / 50
The angular speed of seconds hand of a watch in rads-1 is______________?
24 / 50
Wave-like characteristic of electron is demonstrated by______________?
25 / 50
An inductive coil has a resistance of 100?. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45?. What is the inductance of the coil ?
26 / 50
In obtaining an X-ray photograph of our hand we use the principle of______________?
27 / 50
Blood vessels are______________?
28 / 50
An electromagnetic wave consists of _____________________?
29 / 50
How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?
30 / 50
Pair production takes place in the vicinity of a heavy nucleus so that_____________?
31 / 50
The beats frequency (sensible) for a human car is _____________________?
32 / 50
If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from______________?
33 / 50
Radioactive decay obeys which one of the following law ?
34 / 50
An A.C series circuit containing 4? resistance and 3? inductive reactance. The impedance of the circuit is______________?
35 / 50
A ferromagnet will become fully magnetized at_________________?
36 / 50
The net charge on n-type material is____________________?
37 / 50
The speed of light will be minimum while passing through ?
38 / 50
________________ cells converts solar energy into electrical energy?
39 / 50
To reduce the uncertainty in the timing experiment______________?
40 / 50
Light on passing through a Polaroid is ___________________?
41 / 50
The sensitivity of a galvanometer is given by__________________?
42 / 50
On loading the prong of a tuning form with wax its frequency____________________?
43 / 50
The drag force is given by_________________?
44 / 50
Work done by variable force is determine by dividing____________________?
45 / 50
Dimensional analysis is helpful for__________________?
46 / 50
Which one of the following is not vector quantity _______?
47 / 50
Which one of the following is not a radioactive element ?
48 / 50
At constant temperature the graph between V and 1/P is_____________?
49 / 50
When we excite some atoms by heat collision or electrical discharge they will________________?
50 / 50
A digit zero in a measurement__________________?
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