A device which converts Electrical energy into mechanical energy is called as
Question # 3
Computer chips are made from:
Question # 4
The A.M. transmission frequency range from
Question # 5
Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called
Question # 6
In the doping process, the ratio of the doping atoms to the semi conductor atom is
Question # 7
The Phenomenon of generation of induced emf is called
Question # 8
Flight of rocket in the space is an example of
Question # 9
Which of the following theory completely explain the three types of materials
Question # 10
The wave form of SHM is
Question # 11
Viscosity of water is ______ that of air but ___ that of plasma.
Question # 12
For normal operation of transistor, the batteries
Question # 13
A particle is moving in a straight line with velocity v = (4-t2) where t is the time from fixed point then acceleration of the particle after 4 sec is.
Question # 14
Lead, copper and wrought iron are examples of
Question # 15
An induced current can be produced by:
Question # 16
A device used to measure the speed of liquid flow is known as
Question # 17
Current, voltage, resistance measuring circuit is connected with the galvanometer with the help of switch, known as
Question # 18
The dot product of electric field intensity E and vector area A is called
Question # 19
The temperature at which the speed of sound becomes double as was at 27°C is
Question # 20
A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. the angle which the force makes with the direction of motion will be:
Question # 21
Wave length of light, on the average, is given by:
Question # 22
When low energy photon interact with a metal,which of the following effect is likely to be taken place
Question # 23
The time period of a simple pendulum is independent of its:
Question # 24
When the source of light is at very large distance, the shape of wavefront is
Question # 25
The fourth band is a:
Question # 26
The maximum displacement of a body on either side of its equilibrium position is called
Question # 27
An emf is set up in a conductor when it:
Question # 28
One radian is:
Question # 29
If the object is placed at 12 cm distance from a convex lens of focal length 6 cm, then we get an image of ____ as that of object:
Question # 30
Max plank founded a mathematical model resulting in an equation that describes the shape of observed black body radiation curves exactly, in
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