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In this website each webpage contains minimum 10 mcqs and maximum upto 30 mcqs (objective type questions), one liner questions etc.
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Physics MCQs | Objective Type Questions SET-39
Q1.The part of the eye having the larges refractive index is:
(a) cornea
(b) aqueous humor
(c) lens
(d) vitreous humor
Ans. : (c) lens
Q2. Conversion of heat into electrical is achieved by using:
(a) Ammeter
(b) Hydrometer
(c) Voltmeter
(d) Thermocouple
Ans. : (d) Thermocouple
Q3. Ball pen functions on the principle of
(a) Viscosity
(b) Boyles Law
(c) Gravitational force
(d) surface tension
Ans. : (d) surface tension
Q4. A man cannot see clearly beyond 10 meters. The disease he suffers from:
(a) Far sight
(b) Myopia
(c) Cataract
(d) Hyper metropia
Ans. : (b) Myopia
Q5. When milk is churned the cream separates from it due to:
(a) Frictional force
(b) Centrifugal force
(c) Gravitational force
(d) Viscous forces
Ans. : (b) Centrifugal force
Q6. Moving electric charge produces :
(a) magnetic field
(b) sound waves
(c) light rays
(d) heat waves
Ans. : (a) magnetic field
Q7. The S.I. Unit of electric charge is :
(a) amphere
(b) coulomb
(c) e.s.u
(d) Kelvin
Ans. : (b) coulomb
Q8. Light beam which is highly directional is called:
(a) eraser
(b) grazer
(c) maser
(d) laser
Ans. : (d) laser
Q9. Permissible noise level at Residential area during night time Is:
(a) 45 dB(A)
(b) 55 dB(A)
(c) 75 dB(A)
(d) 80 dB(A)
Ans. : (a) 45 dB(A)
Q10. Energy in reflected light:
(a) does not depends on the angle of incidence
(b) increases with the increase in angle
(c) decreases with the increase in angle of incidence
(d) becomes maximum for angle of incidence equal to 45°
Ans. : (b) increases with the increase in angle
