When passing through a prism under deflection, which color has the maximum deviation of light?
(A) Red color
(B) Green color
(C) Blue color
(D) violet
Used in eyeglasses for a person suffering from myopia?
(A) convex lens
(B) concave lens
(C) concave mirror
(D) convex mirror
Satellite is kept moving in its orbit around the Earth, it is due to –
(A) Gravitational Force or lack of it
(B) Some other Forces
(C) Centrifugal Force
(D) Centripetal Force
If a person sitting in a lift then when will he feel that his weight gets increased?
(A) Going upward with constant velocity
(B) Going downward with constant velocity
(C) When the elevator going upward expeditiously
(D) When the elevator going down expeditiously
Fathometer is used to measure
(A) Earthquake
(B) Rain
(C) Depth of sea
(D) Sound intensity
Which of the following is false?
Sound waves are _________ waves.
(A) Pressure
(B) Longitudinal
(C) Electromagnetic
(D) Mechanical
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