| 1 |
Simple harmonic motion is a type of
|
A. rectilinear motion
B. Circular motion
C. Rotational motion
D. Zig Zag motion
|
| 2 |
A charge less region which separates p-type and n-type semiconductors in a p-n junction is known as.
|
A. Polar region
B. Null region
C. Depletion region
D. Neutral region
|
| 3 |
What units are used to rate electrical fuses.
|
A. Volts
B. Ampere
C. Watts
D. Hertz
|
| 4 |
Amorphous solids are also called
|
A. Crystalline solids
B. Glassy solide
C. super conductors
D. Polymeric solids
|
| 5 |
the amplitude of a wave indicates
|
A. Wavelength
B. Frequency
C. Intensity of wave
D. Nature of wave
|
| 6 |
Solids have
|
A. Fixed shape only
B. Fixed volume only
C. Fixed shape and volume
D. No fixed shape and volume
|
| 7 |
Who studied the change in velocity with the help of geometry for the first time.
|
A. Nicole Oresme
B. Galileo
C. Alberuni
D. Ibn al haithem
|
| 8 |
On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.
|
A. Target material
B. Accelerating voltage
C. Filament temperature
D. Separation between target and the filament
|
| 9 |
If a capacitor is charged by using a 1.5 V battery, how much charge will capacitor gain.
|
A. 0 V
B. 0.5 V
C. 1.5 V
D. 3 V
|
| 10 |
The near point of a person is 50 cm and his far point is 200 cm The power of the lenses which his spectacles should have for reading will be
|
A. +D
B. +2D
C. +4D
D. -2D
|
| 11 |
When the deforming force applied on a body produces change in shape, thenit is said t be
|
A. Tensile stress
B. Compression stress
C. Shear stress
D. Shear modulus
|
| 12 |
Blood pressure of a person
|
A. Increases with age
B. Describe with age
C. Have no change
D. Stops with age
|
| 13 |
Triple point of water in Kelvin scale is
|
A. 0 K
B. 100 K
C. 273 .15 K
D. 373.15 K
|
| 14 |
The unit generally used for measuring astronomical distances is.
|
A. Parsecs
B. Light year
C. Metre
D. Kilometer
|
| 15 |
Ebers-Moll model describes the working of a
|
A. BJT
B. FET
C. MOSFET
D. UJT
|
| 16 |
If two non zero vectors are perpendicular to each other than their scalar product is equal to
|
A. 1
B. -1
C. 0
D. infinity
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| 17 |
the ratio of applied stress to volumetric strain is called.
|
A. shear modulus
B. Bulk modulus
C. Young's modulus
D. elastic limit
|
| 18 |
Materials that experience a force from stronger to weaker regions of magnetic field are called.
|
A. Non magnetic
B. Paramagnetic
C. Ferromagnetic
D. Diamagnetic
|
| 19 |
In which thermodynamic process enthalpy of the system remains constant.
|
A. Isenthalpic process
B. Isolated process
C. Isobaric process
D. Isochoric process
|
| 20 |
A pure capacitor is connected in an AC circuit The power factor of the circuit will be.
|
A. Unity
B. Infinity
C. 0.5
D. Zero
|
| 21 |
The resistance of a wire does not depend upon.
|
A. Area of cross section of the wire
B. Length of the wire
C. Temperature of the wire
D. Current passing though the wire
|
| 22 |
When wind blows in the same direction in which the sound travels, the sound velocity
|
A. Decreases
B. Increases
C. Remains unchanged
D. Becomes zero
|
| 23 |
In case of longitudinal waves the individual particles of the medium move.
|
A. In circles
B. In ellipses
C. Parallel to wave propagation
D. Perpendicular to wave propagation
|
| 24 |
What is measured by the energy dissipated when a source drives a unit charge round a complete circuit.
|
A. Electromotive force
B. Potential difference
C. Power
D. Resistance
|
| 25 |
The erecting lens of a telescope produces
|
A. A shorter instrument
B. wider field of view
C. A larger image
D. A sharp image
|
| 26 |
For total internal reflection the light rays enter
|
A. From rarer to denser medium
B. From, denser to rarer medium
C. Medium of same refractive index
D. At an angle 90 o
|
| 27 |
In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.
|
A. A gas engine
B. Adiabatic
C. Reversible
D. A refrigerator
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| 28 |
Two convex lens focal length 'f' use din combination become telescope. When the distance between them is.
|
A. 1
B. 4f
C. 2f
D. f/2
|
| 29 |
In four stroke cycle the crank makes
|
A. One complete revolution
B. Two complete revolutions
C. three complete revolutions
D. Four complete reveolutions
|
| 30 |
Which of the following is renewable source of energy.
|
A. Oil
B. Natural gas
C. Uranium
D. Sunlight
|