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Subject: Science, asked on 29/5/17

what is pinhole camera?

Subject: Science, asked on 16/5/17

what is a pinhole camera

Subject: Science, asked on 15/5/17

Distinguish between luminuos and non - luminuos objects

Subject: Science, asked on 23/4/17

A man is trapped in a room. The room has only two possible exits: two doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Subject: Science, asked on 29/3/17

what is the speed of light ?

Subject: Science, asked on 8/3/17

Difference between plane mirror image and pinhole camera image

Subject: Science, asked on 3/3/17

how are can we see the boy from mirror and a bulb and a wall was here

Subject: Science, asked on 24/2/17

the image formed by a plane mirror is 
(a) diminished
(b) inverted
(c) erect
(d) enlarged
what is the correct answer ?? ( give reason 5 marks )

Subject: Science, asked on 20/2/17

​Can u please give me answer of this question WITH DETAILED REASON (5 MARKS)

Subject: Science, asked on 20/2/17

list the uses of pin hole camera

Subject: Science, asked on 20/2/17

Mita did the following experiment using some cardboard pieces with cutout designs as shown.
She held the cardboard pieces in the Sun as shown.

Which of the following shows how will the shadow appear on the ground?




 

Subject: Science, asked on 31/1/17

CAN A LIGHT PASS THROUGH A CLOSED OBJECT

Subject: Science, asked on 29/1/17

Who invented the first camera ?

Subject: Science, asked on 29/1/17

what is a mirror ?

Subject: Science, asked on 21/1/17

it is said that all surfaces have bumps.then why are their reflections parallel

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