| 1 |
The flux through a closed surface depends upon:
|
A. Shape of geometry of the closed surface
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| 2 |
A resonance curve for RLC series circuit is a plot of frequency versus
|
A. Voltage
B. Current
C. Impedance
D. Reactance
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| 3 |
The damping depends upon the
|
A. amplitude
B. sharpness
C. both of them
D. none of them
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| 4 |
In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called
|
A. Quadratic equation
B. Equation of discontinuity
C. Equation of continuity
D. None of the above
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| 5 |
The effects of bends in
a wire on its electrical resistance are:
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| 6 |
Under the elastic region, the deformation produced in the material, the deformation produced in the material will be
|
A. permanent
B. temporary
C. either of them
D. none of them
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| 7 |
Electric flux is defined by the relation
|
A. E.A.
B. E x A
C. E/A
D. none of these
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| 8 |
The ultimate source of money sources of energy is:
|
A. Sun
B. Air
C. Water
D. Petroleum
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| 9 |
In the doping process, the ratio of the doping atoms to the semi conductor atom is
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A. 1 to 10
B. 1 to 103
C. 1 to 106
D. 1 to 109
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| 10 |
Strictly speaking, the earth is:
|
A. An accelerated frame of reference
B. A non-inertial frame of reference
C. An inertial frame of reference
D. A non-accelerated frame of reference
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| 11 |
The law of electromagnetic induction is related to:
|
A. Coulomb
B. Ampere
C. Faraday
D. Lenz
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| 12 |
The number of countries who manage the largest satellite system is:
|
A. 3
B. 24
C. 126
D. 200
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| 13 |
The ohm's is defined as
|
A. 1 ampere / 1 volts
B. 1 coulomb / 1 volt
C. 1 volt / 1 ampere
D. 1 volt / 1 coulomb
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| 14 |
In a semi-conductor material, the total current is
|
A. only the +ve current
B. only the electronic current
C. sum of +ve and electronic current
D. all of them
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| 15 |
For maximum linear distance of travel, a projectile must be fired at an angle of
|
A. 0°
B. 45°
C. 90°
D. 60°
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| 16 |
The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is
|
A. 500 ms-1
B. 1000 ms-1
C. 250 ms-1
D. Zero
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| 17 |
During the steady flow, different streamlines
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A. cannot across each other
B. can across each other
C. either of them
D. neither of them
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| 18 |
Which of the following types of force can do no work on the particle on which it acts
|
A. Frictional force
B. Gravitational force
C. Electric force
D. Centripetal force
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| 19 |
The transition from solid to liquid is actually from:
|
A. Order to disorder
B. Disorder to order
C. Order to order
D. Disorder to disorder
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| 20 |
During the upward motion of the projectile, the vertical component of velocity.
|
A. Decreases
B. Increases
C. Remains constant
D. None of these
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| 21 |
A heavily damped system has a fairly
|
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
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| 22 |
The average value of current and voltage over a cycle is
|
A. Positive
B. Negative
C. Zero
D. May be positive or negative
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| 23 |
The value of the plank's constant 'h' is given by
|
A. 1.6 x 10-19J
B. 1.67 x 10-27Kg
C. 6.63 x 1034Js
D. 6.63 x 10-34Js
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| 24 |
With the help of 50 K v electron microscope, a resolution of
|
A. 0.5 to 1 m to possible
B. 1 m to 10 m is possible
C. 0.5 to 1 nm is possible
D. 1 to 10 nm is possible
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| 25 |
In case of point, source of light shape of wavefront is:
|
A. Spherical
B. Cylindrical
C. Plane
D. None of these
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| 26 |
In a transistor, if the central region is p-type then this type of transistor is known as
|
A. p-n-p transistor
B. n-p-n transistor
C. either of these
D. none of these
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| 27 |
Resistance of a conductor depends upon
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A. the quantity of current passing through it
B. the voltage applied between its end
C. its dimensions, physical state and nature of its material
D. all of the above
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| 28 |
When the conductor moved across a magnetic field:
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A. Emf induced is similar to that of a battery
B. Emf induced gives rise to induced current
C. An emf induced across its ends
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| 29 |
A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:
|
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
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| 30 |
The time of flight of a projectile motion equal to
|
A. half of the time to reach maximum height
B. twice the time to reach maximum height
C. one fourth of time to reach maximum height
D. time to reach maximum height
|