Physics Quiz 14
1 / 50
Study of living science relates with________?
2 / 50
The blue colour of the sky is due to___________________?
3 / 50
The operation of a transistor requires______________?
4 / 50
A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?
5 / 50
According to Einstein, the gravitational interaction is possible between_______________?
6 / 50
Materials in which valence electrons are tightly bound to their atoms at low temperature are called___________________?
7 / 50
An inductor may store energy in ________________?
8 / 50
Formation of large molecule by joining small molecules is_________________?
9 / 50
Radiations are used for the treatment of skin of a patient is_______________?
10 / 50
The instrument used to measure blood pressure is called____________?
11 / 50
Which one is a unit vector ?
12 / 50
The scales of temperature are based on two fixed points which are_________________?
13 / 50
The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?
14 / 50
A central force is that which__________________?
15 / 50
Heating a magnet will ____________________?
16 / 50
The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________?
17 / 50
Smaller the least count of the instrument more is the measurement________________?
18 / 50
The radius of geostationary orbit from the centre of the earth is nearly______________?
19 / 50
When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?
20 / 50
The equation ? = 1.22 ?/D was devised by_______________?
21 / 50
The mass-energy relation is the outcome of____________?
22 / 50
The projection of the particle moving in a circle with non-uniform speed executes ?
23 / 50
24 / 50
Mach number is used in connection with the speed of___________?
25 / 50
In laser production the state in which more atoms are in the upper state than in the lower one is called_____________?
26 / 50
The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________?
27 / 50
The speed of sound in hydrogen is _____________ time than that in oxygen?
28 / 50
The error in measurement may occur due to_________________?
29 / 50
We prefer mercury as a thermometric substance because______________?
30 / 50
The least distance of distinct vision for a normal eye is_______________?
31 / 50
A magnetic compass will be deflected if it is kept near a____________________?
32 / 50
Joule Thomson effect is based upon __________ ?
33 / 50
Diffraction fringes are____________________?
34 / 50
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
35 / 50
The velocity of sound is greatest in___________________?
36 / 50
Centripetal force performs_______________?
37 / 50
Newton?s Third Law of Motion?
38 / 50
Speed of efflux can be determined by applying______________?
39 / 50
The dimension of elastic modulus is ___________________ ?
40 / 50
If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of______________?
41 / 50
The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?
42 / 50
Farad is the unit of___________?
43 / 50
The linear momentum of an X-ray photon of wavelength 0.1A is_______________?
44 / 50
The circumference subtends an angle________________?
45 / 50
Gravitation force of sun is__________?
46 / 50
CFC is used in _________________?
47 / 50
The value of ? for diatomic gas is_______________?
48 / 50
When K.E energy of SHM is maximum its__________________?
49 / 50
The product of the frequency and time period is equal to_________________?
50 / 50
Maximum number of components of a vector may be________________?
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