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Subject: Science, asked on 10/5/18

A 2 cm high object is placed perpendicular to the principal axis of a concave mirror the distance of the object from the mirror is 30 cm and its image is formed 60 cm from the mirror on the same side of the mirror find the height of the image formed

Subject: Science, asked on 10/5/18

A Concave mirror forms an erect Image of an object placed at a distance of 10 cm from it if the image is twice as large as the object where it is formed find the focal length

Subject: Science, asked on 10/5/18

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Q.  Using mirror  formula, compute the position of the object placed in front of a concave mirror of focal length f to that the image formed is of the same size as of the object. 

Subject: Science, asked on 10/5/18

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10) A concave mirror produces three times magnified real image of an object placed at 10 cm in front of it. Where is the image located?

Subject: Science, asked on 10/5/18

Q.20. At what distance the object should be placed so that the image will be formed at a distance 10 cm from a concave lens? Focal length of the lens is 20 cm.

Subject: Science, asked on 10/5/18

When a plane mirror is rotated by an angle of 30, what will be the angle of rotation of the reflexted ray for the fixed incident ray??

Subject: Science, asked on 10/5/18

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Subject: Science, asked on 9/5/18

Two uses of concave convex and plane mirror

Subject: Science, asked on 9/5/18

Using the mirror formula , compute the position  of the object placed in front of a concave mirror of focal length f. so that the image formed is of a same size of the object.            

Subject: Science, asked on 9/5/18

A person standing at the edge of a swimming pool observes that the pool appears shallower than its actual depth. Name and define the phenomena responsible for this observation. Briefly explain one more example based on same phenomena.

Subject: Science, asked on 9/5/18

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Subject: Science, asked on 9/5/18

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Subject: Science, asked on 9/5/18

Ques. If the angle of incidence of a ray of light falling on a surface is  60o and the angle of refraction is 45o ,what is the refractive index of the surface?

Subject: Science, asked on 9/5/18

Q.2. When a bright object is placed 10 cm away from a concave mirror, its real image is formed at a distance 40 cm from the mirror. What is the focal length of the mirror?

Subject: Science, asked on 9/5/18

How fast does light travel in a glass of refractive index 1.5??

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