An object is placed 10cm from a converging lens of focal length 15cm. Calculate the magnification of the image formed?
A. 3.0 B. 1.5 C. 0.6 D. 0.3 Correct Answer: Option A A. 3.0An object is placed at a point X between the focal point F and the optical centre C of a diverging lens. If F is the focal point on the other side of the lens, the image of the object is formed between?
A. F and X B. X and C C. C and F D. F and 2F Correct Answer: Option B B. X and CA to eater to glass to air to water to glass to air. Given that the refractive index for light passing from air to water is 4/3 and air to glass is 3/2, calculate the refractive index of glass relative to water.
A. 0.50 B. 0.67 C. 0.75 D. 1.13 Correct Answer: Option A A. 0.50 Explanation 9nn=3/4×2/3=0.5An object of height 2.5cm is placed 20cm from a convex mirror of focal length 10cm. Calculate the height of its image
A. 2.5 cm B. 3.0cm C. 5.0cm D. 25.0cm Correct Answer: Option A A. 2.5 cmProducts
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