Question

1) angle of incidence glancing is a) 30° b) 45° c) 60° d) 90° 2) angle of incidence is a) 30° b) 45° c) 60° d) 90° 3) angle of deviation is a) 0° b) 30° c) 60° d) 180° 4) angle between incident and reflected rays is a) 0° b) 30° c) 60° d) 120° 5) the dotted line the figure is a) incident ray b) reflected ray c) Normal d)all the above​

Answer 1

Answer:

60°

Explanation:

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