| 1 |
Simple harmonic motion is a type of
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A. rectilinear motion
B. Circular motion
C.Rotational motion
D. Zig Zag motion
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| 2 |
Which quantity has dimensions different from the others.
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A. Energy per unit volume
B. Force per unit area
C.Angular momentum per unit mass
D. Pressure
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| 3 |
A constant mass undergoes uniform acceleration the correct statement about the resultant force acting on the mass is.
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A. It increases uniformly w.r.t time
B. It is constant but not zero
C.It is proportional to the displacement from a fixed point
D. It is proportional to the verlocity
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| 4 |
If the transformer turns ratio is 2 and the impedance eof primary coil is 250 Ohms then the impedance secondary coil will be.
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A. 125 Ohms
B. 250 Ohms
C.500 Ohms
D. 1000 Ohms
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| 5 |
The ripple tank is used to study various features of
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A. Wave phenomenon
B. Interferences
C.Doppler's effect
D. Reverberation
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| 6 |
If the K.E. of a body becomes 4 times of its initial value, the new momentum will be
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A. half
B. Same
C.Double
D. 4 times
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| 7 |
The SI unit of plane angle is
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A. Radian
B. Degree
C.Steradian
D. Radian per second
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| 8 |
Which of the following is an example of negative work.
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A. a thrown up cricket ball
B. Grass mower
C.A car on road
D. Bucket in the well
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| 9 |
If a resistance is connected in parallel with a galvanometer the resulting instrument is called.
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A. A voltmeter
B. An ammeter
C.A wattmeter
D. A potentiometer
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| 10 |
Which BJT configurations used for signal inversion.
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A. CE
B. CC
C.CB
D. BE
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| 11 |
When a platinum wire is heated of 1600 oC, it becomes
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A. orange
B. Cherry red
C.Dull red
D. White
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| 12 |
The direction of induced emf during electromagnetic induction can be determined by making use of.
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A. Faraday's law
B. Ampere;s law
C.Lenz's law
D. Laplace law
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| 13 |
Which of the following is used for the failure of a lens to form a sharp and distinct image
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A. Distortion
B. Astigmation
C.Chromatic aberration
D. Spherical aberration
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| 14 |
The magnitude of the instantaneous velocity is called the.
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A. Displacement
B. Speed
C.Acceleration
D. Length
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| 15 |
The dimensions of strain are.
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A. [MLT-2]
B. [ML-1T-2]
C.[ML-2T-3]
D. It is a dimensionless quantity
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| 16 |
The SI unit of density is.
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A. kg m2
B. kg m-2
C.kg m-3
D. kg m2 s-2
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| 17 |
Which of the following is more viscous
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A. Air
B. Honey
C.Water
D. Milk
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| 18 |
The device in the circuit that consume electrical energy are known as.
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A. Resistors
B. Capacitors
C.Fuses
D. Load
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| 19 |
Which of the following quantities is discrete according to Bohr's hypothesis.
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A. Momentum
B. Potential energy
C.Angular velocity
D. Angular momentum
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| 20 |
A 100 Hz A.C. is following in A 7 mH inductance What is its reactane.
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A. 0.4 Ohms
B. 4.4 Ohms
C.7Ohms
D. 44 Ohms
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| 21 |
The venturimeter is an instrument used for measuring the
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A. Viscosity of a liquid
B. Flow speed of a liquid
C.Compressibility of a fluid
D. Specific gravity of a liquid
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| 22 |
The minimum velocity needed to put a satellite into the orbit
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A. Terminal velocity
B. Escape velocity
C.Critical velocity
D. Linear velocity
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| 23 |
Which of the following quantities is not changed during refraction of light.
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A. Its direction
B. Its speed
C.Its frequency
D. Its wavelength
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| 24 |
Restoring force in the SHM is
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A. Centripetal
B. Frictional
C.Conservative
D. Non conservative
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| 25 |
Light travels perpendicular to electric and magnetic fields and requires no material medium, was proposed by.
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A. Einstein
B. Max planck
C.Maxwell
D. Bragg
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| 26 |
The magnitude of the resultant of two equal forces is equal to either to the force What is the angle between the two forces
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A. 0 o
B. 120 o
C.60 o
D. 180 o
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| 27 |
Which of the following is a properly of a uniform gravitational field.
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A. If acts equally in all directions.
B. Its field strength is the same at all points with in it
C.the gravitational potential has the same value of all points with in it
D. It produces zero force on a stationary test mass placed in it.
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| 28 |
The materials whose resistivity becomes zero below a certain temperature.
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A. Semi conductors
B. Super conductors
C.Insulators
D. conductors
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| 29 |
An example of simple harmonic motion is
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A. Fast moving cricket ball
B. Motion of bicycle
C.Motion of a bee
D. Motion of simple pendulum
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| 30 |
Stationary waves only a discrete set of frequencies are set up in a medium. This fact is called.
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A. Harmonics
B. Overtones
C.Quantization of frequencies
D. Superposition of frequencies
|