Question

. If we increase the distance of the object from the pinhole camera, then
a)We get blurred image on the screen
b)The size of the image decreases
c)The intensity of the image increases
d)Formation of multiple images causes the image to become blur​

Answer 1

Answer:

Pinhole cameras use the principle of rectilinear propagation of light. When you place an object in front of the pinhole camera, a clear image is formed on the screen. The image formed on the pinhole camera is inverted. Since the aperture of the pinhole camera is small (a diameter close to 5mm) only one ray from each point on the object passes through the pinhole and moves on to the screen. Thus there is one-to-one correspondence between the points on the object and the points on the screen.

If the distance between the pinhole and screen is reduced, the size of the image will decrease and the image will become bright since the light spreads over a small area. If the distance between the pinhole and screen is increased, the image size will increase and the image however will get less bright since the light spreads over a large area.

Step-by-step explanation:

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Answer 2

Answer:

option C the intensity of the image increases