Physics Quiz 6
1 / 50
In double slit experiment if one of the two slit is covered then________________?
2 / 50
An alpha particle can produce fluorescence in__________________?
3 / 50
A changing magnetic flux produces around itself an induced_______________?
4 / 50
Who discovered the inverse square law for gravity ?
5 / 50
Which one is the correct representation of the unit of pressure ?
6 / 50
If an object is placed away from 2f of a converging lens then the image will be_______________?
7 / 50
Oil rises up to wick in a lamp because_____________?
8 / 50
What is the angle that the given vector makes with y-axis and A=2i+3j ?
9 / 50
For ___________ flow the path of the fluid particles cannot be tracked?
10 / 50
Energy needed to magnetize and demagnetize is represented by _________________?
11 / 50
An electron enters a region where the electric field E is perpendicular to the magnetic field It will suffer no deflection if_________________?
12 / 50
If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?
13 / 50
At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?
14 / 50
In p-n-p transistor the collector current is________________?
15 / 50
According to Newton sound travel in air under the conditions of_____________________?
16 / 50
Which one of the following bulbs has the least resistance ?
17 / 50
The operational amplifier is______________?
18 / 50
The normal blood pressure range for a human body is______________?
19 / 50
Two parallel wires carrying currents in the opposite directions____________________?
20 / 50
Gravitational P.E of a body has____________________?
21 / 50
In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?
22 / 50
Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is______________?
23 / 50
A voltage V = V0 cos ?t is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?
24 / 50
The source of geothermal energy is___________________?
25 / 50
What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m2 when the force acting on the wire is 5N ?
26 / 50
At resonance the value of the power factor in an L-C-R series circuit is_______________?
27 / 50
When the amplitude of a wave becomes double its energy become_________________?
28 / 50
The formula of inter-conversion of centigrade and Fahrenheit scale is___________?
29 / 50
Geostationary satellite completes one rotation around the earth in_______________?
30 / 50
A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?
31 / 50
According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?
32 / 50
The function of collimeter in spectrometer is________________?
33 / 50
The metastable state for an atom in laser light is_____________?
34 / 50
If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?
35 / 50
A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire ?
36 / 50
With increase in temperature the electrical conductivity of intrinsic semi conductor___________________?
37 / 50
The time period of a second pendulum is______________?
38 / 50
A body can have constant velocity when it follows a_____________?
39 / 50
Specific resistance of a wire____________________?
40 / 50
The pressure exerted by a column of mercury 76cm high and at 0?C is called_______________?
41 / 50
The velocity of sound in air would become double than its velocity at 0?C at temperature ?
42 / 50
Stokes law is applicable if body has __________shape?
43 / 50
Gravitation force of moon is_________?
44 / 50
The most useful tracer is_________________?
45 / 50
Newton?s Third Law of Motion?
46 / 50
The direction of the linear velocity of a body moving in a circle is______________?
47 / 50
Which quantity is a state function_______________?
48 / 50
The symbol of the prefix used for Mega is_______?
49 / 50
The natural frequency of simple pendulum depends upon_______________?
50 / 50
Which one is not an example of adiabatic process ?
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