Class - VII
Time - 20 min. Physics F.M. - 10
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1. Fill in the blanks. 1 × 4 = 4
i) Speed of the light is _______.
ii) White - blue = _______.
iii) Pinhole camera formed _______ image.
iv) ________ reflection is formed on the smooth surface.
2. Write the answers to the following questions. 2 × 3 = 6
i) If the angle between the mirror and the incident ray is 60 degree. Then find the angle of reflection.
ii) Write the characteristics of a real image.
iii) Define secondary colour and give an example.
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