A. Radio waves B. Light waves C. X-rays D. infra-red rays E. Ultraviolet rays Correct Answer: Option C - X-rays
A. refraction B. reflection C. diffraction D. polarization Correct Answer: Option A - refraction
A. blue orange and red B. red, blue and orange C. blue, red and orange D. red, orange and blue…
A. Cornea B. Pupil C. Iris D. Optic nerve E. Ciliary muscle Correct Answer: Option C - Iris
A. 20.0cm B. 47.5cm C. 50.0cm D. 52.5cm E. 125.0cm. Correct Answer: Option D Explanation Distance between lens = f0…
A. convex mirror B. concave mirror C. diverging lens D. converging lens E. piano-converging lens Correct Answer: Option C -…
A. 30cm B. 25cm C. 20cm D. 15cm E. 10cm Correct Answer: Option C - 20cm Explanation 1/u + 1/3u…
I. moves closer to the lens II. moves away from the lens. III. Remains the same size. IV becomes smaller.…
A. -3.3cm B. 3.3cm C. 10.0cm D. 15.0cm E. 20.0cm Correct Answer: Option B - 3.3cm Explanation 1/u - 1/v…
A. suffers a displacement at the point of emergence B. emerges parallel to the incident ray C. is partly reflected…