Physics Quiz 15
1 / 50
Nuclei having the same mass number but different atomic number are____________?
2 / 50
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
3 / 50
The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________________?
4 / 50
The penetration power of alpha particle as compared to beta particle is_______________?
5 / 50
In monochromatic red light a blue book will probably appear to be_________________?
6 / 50
The carburettor of a car is an application of_______________?
7 / 50
Momentum depends upon__________________?
8 / 50
An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?
9 / 50
Final image produced by a compound microscope is_____________?
10 / 50
If velocity is doubled then__________________?
11 / 50
Bracket series is obtained when all transition of electron terminate on_______________?
12 / 50
As the temperature of black body is raised the wavelength corresponding to maximum intensity________________?
13 / 50
Total number of series in hydrogen spectrum is_____________?
14 / 50
When a force is applied at one end of an elastic wire it produces at strain ? in the wire. If y is the youngs modulus of the material of the wire the amount of energy stored per unit volume of the wire is given by_________________?
15 / 50
Select an alternative from of uncertainly principle from the following_______________?
16 / 50
To find the r.m.s value of an alternating current mathematically we need to have ________________?
17 / 50
Central spot of Newtons rings __________________?
18 / 50
The consumption of energy by a 60 watt bulb in 2 sec is_________________?
19 / 50
Which branch of science plays an important role in engineering?
20 / 50
Which of the following radiations are suitable for the treatment of an infection in the interior of the body ?
21 / 50
The waveform of S.H.M. is________________?
22 / 50
A capacitor of capacitance 30?F is charged by a constant current of 10m? A. If initially, the capacitor was uncharged what is the time taken for the potential difference across the capacitor to reach 300V ?
23 / 50
If a wheel of radius r turns through an angle of 30? then the distance through which any point on its rim moves is______________?
24 / 50
In n-p-n transistor, p works as______________?
25 / 50
Beta particles ionize an atom_________________?
26 / 50
Medium which sends signal from source to destination is known as ________ ?
27 / 50
The branch of science which deals with the properties of matter and energy is called__________?
28 / 50
Metabolism is the name of a process in which energy transformation takes place within______________?
29 / 50
Taking off rocket can be explained by __________________?
30 / 50
The semiconductor diode can be used as a rectifier because _______________?
31 / 50
Slope of work time graph is equal to____________________?
32 / 50
Radioactive materials can be identified by measuring their_______________?
33 / 50
In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?
34 / 50
A rubber cord of cross-sectional area 2cm2 has a length of 1m. When a tensile force of 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber ?
35 / 50
The sharpness of resonance is__________________?
36 / 50
If a glass plate is inserted in between the plate of a capacitor in series with a lighted bulb the brightness of the bulb________________?
37 / 50
If a diffraction grating is placed in the path of a light beam it reveals______________?
38 / 50
A photon is________________?
39 / 50
A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?
40 / 50
UV radiation can be produced by______________?
41 / 50
Transuranic elements have an atomic number_______________?
42 / 50
When the source of sound moves away form a stationary listener then ______________ occurs?
43 / 50
It is possible to distinguish between transverse and longitudinal waves form the property of __________________?
44 / 50
The path of alpha particle is_______________?
45 / 50
In S.H.M. the velocity of a particle is maximum at________________?
46 / 50
Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?
47 / 50
In damped harmonic oscillation which one decreases ?
48 / 50
The energy band occupied by the valence electrons is called___________________?
49 / 50
The unit of force is _________ and its symbol is ______________ Which is the correct pair ?
50 / 50
Why Ballistic missile fails in some circumstances of precision ?
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