Physics, asked by pakalarathnakerreddy, 11 months ago

student used a device X to obtain focus the image of a well illuminated distance building on a screen s find the device which is used by the student

SamanthaBlack: your question is incomplete...

pakalarathnakerreddy: No it is complete question

Answers

Answered by Anonymous

Hey mate ☺

The device X is CONVEX LENS.

Since the object was obtained on the screen, so the image formed was real. So, the lens is convex lens.

Hope it helps you ☺✌✌

pakalarathnakerreddy: By concave mirror also real images are formed

SamanthaBlack: yes

SamanthaBlack: was there a diagram with the question??

pakalarathnakerreddy: No

pakalarathnakerreddy: Please tell me the answer

Anonymous: then both will be right answers

Anonymous: btw u think diagram is provided

Anonymous: i*

aami21: yeah

aami21: or something indirectly mentioning whether it is a lens or a mirror

Answered by aami21

The device X is concave mirror...

aami21: oh

aami21: then it is convex lens

pakalarathnakerreddy: How

aami21: focal length of convex is always positive

pakalarathnakerreddy: And in mirror

pakalarathnakerreddy: Ok thanks iuderstood now sorry for typing wrong question

aami21: it is ok

aami21: i hope it helped you

pakalarathnakerreddy: Ya

aami21: ok

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