Recent questions tagged light – reflection and refraction

+1 vote

1 answer

AB and CD, two spherical mirrors, form parts of a hollow spherical ball with its centre at O as shown in the diagram.

asked Apr 7, 2019 in Class 10 by kratos

+2 votes

1 answer

Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:

asked Apr 7, 2019 in Class 10 by kratos

+1 vote

1 answer

Does the depth of a tank of water appear to change or remain the same when viewed normally from above?

asked Apr 7, 2019 in Class 12 by kratos

+1 vote

1 answer

Which of the following form virtual and ***** images for all positions of the object?

asked Apr 6, 2019 in Class 10 by kratos

+3 votes

1 answer

A student focussed the Sun rays using an optical device 'X' on a screen * as shown.

asked Apr 6, 2019 in Class 10 by kratos

+1 vote

1 answer

An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm.

asked Apr 5, 2019 in Class 10 by kratos

+2 votes

1 answer

Explain why a ray of light passing through the centre of curvature of a concave mirror gets reflected along the same path after reflection.

asked Apr 5, 2019 in Class 10 by kratos

+1 vote

1 answer

An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex mirror of radius of Curvature 30 cm

asked Apr 5, 2019 in Class 10 by kratos

+1 vote

1 answer

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image,

asked Apr 5, 2019 in Class 10 by kratos

+1 vote

1 answer

What kind of image can be obtained on the screen?

asked Apr 5, 2019 in Class 10 by kratos

+1 vote

1 answer

At which position will you keep an object in front of convex lens to get a real image smaller than the object? Draw a figure.

asked Apr 4, 2019 in Class 10 by kratos

+2 votes

1 answer

A convex lens is used to obtain a magnified image of an object on a screen 10m from the lens.

asked Apr 3, 2019 in JEE by kratos

+3 votes

1 answer

The mirror that always gives virtual and ***** image of the object but image of smaller size than the size of the object is

asked Apr 2, 2019 in Class 10 by kratos

+1 vote

1 answer

Differentiate between virtual image formed by a concave mirror and of a convex mirror.

asked Apr 1, 2019 in Class 10 by kratos

+3 votes

1 answer

Two thin lenses of powers 5D and 2D are placed coaxilly at a distance 20 cm apart. Find the

asked Mar 30, 2019 in Class 12 by kratos

+3 votes

1 answer

Which diagram below illustrates the path of a light ray as it travels from a given point in air to another given point Y in glass

asked Mar 30, 2019 in Class 10 by kratos

+2 votes

1 answer

"A ray of light incident on a rectangular glass slab immersed in any medium emerges parallel to itself."

asked Mar 30, 2019 in Class 10 by kratos

+1 vote

1 answer

Two thin conves lenses of focal length 15 cm and 30 cm are placed in contact. What

asked Mar 30, 2019 in JEE by kratos

+3 votes

1 answer

Draw a ray diagram in each of the following cases to show the position and nature of image formed when the object is placed :

asked Mar 29, 2019 in Class 10 by kratos

+2 votes

1 answer

Draw a ray diagram in each of the following cases for a concave mirror when magnitude of magnification is-

asked Mar 29, 2019 in Class 12 by kratos

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