Mock Test
Physics [15]
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1. Fill in the blanks. (1*4=4)
i) A lunar eclipse occurs when the shadow of the ______ falls on the ______.
ii) The _____ is the region of a shadow where some light falls.
iii) A beam in which light rays move outwards from a point is said to be _____.
iv) Frosted glass is a ________ material.
2. Write true or false. Write the correct statement. (1*4=4)
i) The moon is a luminous object.
ii) Light can not pass through a vacuum.
iii) The rays in a parallel beam travel to meet at a point.
iv) Pinhole camera formed real image.
3. i) Write the characters of the pinhole camera. [2]
ii) Define penumbra with diagram. [3]
iii) What are surgical lighting systems? [2]
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