Physics Quiz 8
1 / 50
3rd law of motion explains______________________?
2 / 50
Electrical energy is converted to heat at the rate of___________________?
3 / 50
The velocity of a particle of mass m of de-Broglie wavelength ? is______________?
4 / 50
X-rays are electromagnetic waves like________________?
5 / 50
Mass defect per nucleon is ___________________?
6 / 50
Which one of the following has the largest energy content ?
7 / 50
The blood flow is _______________ flow at systolic pressure?
8 / 50
If the volume of a gas is held constant and we increase its temperature then_______________?
9 / 50
Average distance covered by alpha particles in the air before its ionizing power ceases is called its_________________?
10 / 50
Identify the correct statement about minority carriers_____________?
11 / 50
The characteristic X-rays spectrum is due to_____________?
12 / 50
Maximum number of rectangular components are_____________?
13 / 50
Normal human body temperature 98.6?F corresponds to______________?
14 / 50
Which is not optically active ?
15 / 50
The equation of continuity is obtained by applying in the law of conservation of_____________?
16 / 50
Which one of the following is not an electromechanical instrument ?
17 / 50
Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?
18 / 50
Dioptre power of an concave lens of 10 cm focal length is_______________?
19 / 50
In which process entropy remains constant________________?
20 / 50
Circuit which gives continuously varying potential is called _______________________?
21 / 50
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is_________?
22 / 50
An alternating current is represented by the equation I = I?sin?t which of the following equation represents an alternating current of frequency and amplitude twice that of the above current ?
23 / 50
The minimum distance between an object and its real image in a convex lens is_____________?
24 / 50
The unit of coefficient of linear expansion or volume expansion is__________?
25 / 50
Rutherford in his atomic model could not explain behavior of ___________ ?
26 / 50
At which angle the range of the projectile is maximum____________________?
27 / 50
Random errors can be reduced by_______________?
28 / 50
In the following figure, the terminal potential is ___________________ ?
29 / 50
In an electron microscope, we use energetic particles because of______________?
30 / 50
Ideal fluid is_______________?
31 / 50
The escape velocity form the earth surface in km S-1 is____________________?
32 / 50
Light reaches the earth form sun in nearly____________________?
33 / 50
The critical speed of an artificial satellite is_______________?
34 / 50
In the transistor schematic symbol, the arrow______________?
35 / 50
Which one does not work according to resonance ?
36 / 50
Venturi meter is used to measure_________________?
37 / 50
The dot product of force and velocity is__________________?
38 / 50
When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?
39 / 50
The relation between horse power and watt is_________________?
40 / 50
Laminar flow usually occurs at speeds_____________?
41 / 50
For which position maximum blood pressure in the body have the smallest value ?
42 / 50
Reciprocal of resistivity is called__________________?
43 / 50
The SI unit of Heat is________?
44 / 50
In optic fiber transmission the repeater are separated through a distance of __________ km in newer system?
45 / 50
The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?
46 / 50
The velocity of sound in air would become double than its velocity at 0?C at temperature________________?
47 / 50
Michelson devised the formula to calculate the speed of light_______________?
48 / 50
In optic fiber transmission system _____________ are used regenerate the dim light signal?
49 / 50
The minimum wavelength of X-rays can further be reduced by _______________?
50 / 50
A uniform steel wire of length 4m and area of cross-section 3?10-6m2 is extended by 1mm by the application of a force. If the youngs modulus of steel is 2?1011 Nm-2 the energy stored in the wire is___________________?
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