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1. A hypermetropic eye has
A. Near point closer than normal
B. Near point farther than normal
C. Far point less than infinity
D. No near point
2. In presbyopia, the near point gradually
A. Comes closer
B. Moves farther away
C. Becomes infinity
D. Disappears
3. A bifocal lens has
A. Two convex lenses
B. Two concave lenses
C. Upper concave, lower convex
D. Upper convex, lower concave
4. The defect caused by the eye lens turning milky and cloudy is
A. Myopia
B. Hypermetropia
C. Presbyopia
D. Cataract
5. Which scientist first obtained the spectrum of sunlight using a prism?
A. Einstein
B. Isaac Newton
C. Huygens
D. Maxwell
6. The acronym VIBGYOR is used to remember
A. Layers of the atmosphere
B. Colours of the spectrum
C. Defects of vision
D. Parts of the eye
7. The angle between incident ray and emergent ray in a prism is called
A. Angle of incidence
B. Angle of emergence
C. Angle of refraction
D. Angle of deviation
8. If there were no atmosphere, the sky would appear
A. Blue
B. White
C. Dark
D. Red
9. The Sun appears red at sunrise and sunset because
A. Red light scatters the most
B. Red light scatters the least
C. Only red light reaches the earth
D. Atmosphere absorbs blue light completely
10. The colour of water in deep sea appears blue because of
A. Reflection of sky
B. Scattering of light
C. Dispersion of light
D. Absorption of red light
11. The refracting surface of a prism is
A. Triangular
B. Circular
C. Rectangular
D. Elliptical
12. The apparent position of stars is
A. Higher than actual
B. Lower than actual
C. Same as actual
D. Not visible
13. A person cannot see objects beyond 80 cm.The defect is
A. Hypermetropia
B. Myopia
C. Presbyopia
D. Cataract
14. Which phenomenon explains why astronauts see the sky as dark?
A. Dispersion
B. Scattering
C. Atmospheric refraction
D. Absence of scattering
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