Wednesday, 15 November 2023

Mock Test - 10 Class -6

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                                                    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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