1. A
   a convex mirror
2. B
   a shaving mirror
3. C
   a plane mirror
4. D
   a concave mirror

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1. A
   is independent of the thickness of the glass slab.
2. B
   is dependent of the thickness of the glass slab.
3. C
   is directly proportional to the thickness of the glass slab.
4. D
   is inversely proportional to the thickness of the glass slab.

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1. A
   Either plane or convex
2. B
   Convex
3. C
   Plane
4. D
   Concave

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1. A
   the foots are in perpendicular line
2. B
   the heads are in the straight line
3. C
   the mid - points are in the straight line
4. D
   the foots are in straight line

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1. A
   Negative
2. B
   Infinity
3. C
   Zero
4. D
   Positive

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1. A
   substance S
2. B
   substance P
3. C
   substance Q
4. D
   substance R

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1. A
   a lamp and a screen
2. B
   a scale and a screen
3. C
   a lamp and a scale
4. D
   None of these

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1. A
   away from principal axis
2. B
   called focus on the axis
3. C
   on principal axis
4. D
   centre of curvature

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1. A
   $\frac{f}{2}$
2. B
   $f$
3. C
   $\frac{f}{3}$
4. D
   $2f$

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1. A
   $\frac{f}{2}$
2. B
   $\infty$
3. C
   $2f$
4. D
   $f$

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1. A
   emerge out along the principal axis
2. B
   deviate by $60^\circ$
3. C
   retrace its path along the principal axis
4. D
   deviate by $30^\circ$

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1. A
   Real, magnified, inverted
2. B
   Virtual, diminished, erect
3. C
   Virtual, magnified, erect
4. D
   Real, diminished, inverted

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1. A
   sometimes
2. B
   always
3. C
   never
4. D
   under special conditions

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1. A
   Scattering of light
2. B
   Reflection of light
3. C
   Refraction of light
4. D
   Total internal reflection

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1. A
   At 2F
2. B
   At Infinity
3. C
   At focus
4. D
   Between the optical centre and the focus

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1. A
   beyond the centre of curvature
2. B
   at the centre of curvature
3. C
   at the focus
4. D
   between the centre of curvature and focus

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1. A
   goes along the bounding
2. B
   is refracted away from the normal
3. C
   is refracted towards the normal
4. D
   is not refracted

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1. A
   C, D, B, A
2. B
   C, A, B, D
3. C
   A, B, C, D
4. D
   C, A, D, B

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1. A
   Both statements contradict.
2. B
   Both statements are correct.
3. C
   Statement I is true.
4. D
   Statement II is true.

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1. A
   (C)
2. B
   (A)
3. C
   (B)
4. D
   (D)

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1. A
   A concave lens has 4 dioptre power having a focal length 0.25 m
2. B
   A concave lens has - 8 dioptre power having a focal length of 0.25 m
3. C
   A convex lens has $-4$ dioptre power having a focal length 0.25 m
4. D
   A convex lens has 4 dioptre power having a focal length 0.25 m

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1. A
   (A) and (B)
2. B
   (B) and (C)
3. C
   (A) and (D)
4. D
   (B) and (D)

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1. A
   A and D
2. B
   B and C
3. C
   A and C
4. D
   B and D

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1. A
   A and B
2. B
   A, B and C
3. C
   B and C
4. D
   All of these

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1. A
   (A), (B) and (D)
2. B
   (A), (B) and (C)
3. C
   (A) and (B)
4. D
   (A) and (D)

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