Question

Where is the object placed to get an image from a camera?

a. Between infinity and 2F
b. At focus

c. At 2F
d. Between F and optical centre​

Answer 1

I guess it's option b

Explanation:

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Answer 2

Answer to the given question

Explanation:

• The Object should be kept at distance of greater than twice of focal-length to get an image from a camera.

• Outside system only Real-image is formed, that's how image is visible on screen by crossing emerging rays.

• Virtual image can not be appeared or formed on a/the screen while real-image can be appeared or formed on a/the screen.

• Answer of this given question is (a).

• The Object must be kept b/w infinity & 2F.