PHYSICS MULTIPLE CHOICE QUESTIONS SET 170

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 170

1. The part of the eye having the larges refractive index is :
(a)cornea
(b)aqueous humor
(c)lens
(d)vitreous humor

2. Conversion of heat into electrical is achieved by using :
(a)Ammeter
(b)Hydrometer
(c)Voltmeter
(d)Thermocouple

3. Ball pen functions on the principle of
(a)Viscosity
(b)Boyles Law
(c)Gravitational force
(d)surface tension

4. A man cannot see clearly beyond 10 meters. The disease he suffers from :
(a)Far sight
(b)Myopia
(c)Cataract
(d)Hyper metropia

5. When milk is churned the cream separates from it due to:
(a)Frictional force
(b)Centrifugal force
(c)Gravitational force
(d)Viscous forces

6. Moving electric charge produces :
(a)magnetic field
(b)sound waves
(c)light rays
(d)heat waves

7. The S.I. Unit of electric charge is :
(a) amphere
(b)coulomb
(c)e.s.u
(d)Kelvin

8. Light beam which is highly directional is called:
(a)eraser
(b)grazer
(c)maser
(d)laser

9. 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)

10. 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°
ANSWER:
1 c 
2 d 
3 d 
4 b 
5 b 
6 a 
7 b 
8 d 
9 a 
10 b