PHY103
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1. As per second law of reflection, angle of incidence is equal to
angle of abnormality
angle of refraction
normal ray
angle of reflection
2. In swimming pools they appear shallower than they are actual because of
reflection
refraction
both reflection and refraction
none
3. A camera employs a ___ lens to form ___ images
converging , real
converging , virtual
diverging , real
diverging , virtual
4. In concave lenses, a distant object appears
upright
virtual
magnified
inverted
5. In most cameras the location of the image is adjusted to appear on the film by changing the
position of the lens
diameter of the diaphragm
shape of the lens
focal length of the lens.
6. Angle between incident ray and normal is known as
angle of abnormality
angle of refraction
angle of reflection
angle of incidence
7. Concave lens
shrinks the image
magnifies the image
sharpens the images
increases the contrast of image
8. Two thin (small angled) prisms are combined to produce dispersion without deviation. One prism has angle 5 degrees and refractive index 1.56. If the other prism has refractive index 1.7, what is its angle?
3º
4º
5º
6º
9. A human eye employs a ___ lens to form ____images.
converging , real
converging , virtual
diverging , real
diverging , virtual
10. Concave lens is also known as
converging lens
diverging lens
dispersing lens
conducting lens
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