As you are looking for question papers of Secondary Class Examination of Jharkhand Academic Council Ranchi, so here I am providing question paper:

Jharkhand Academic Council Ranchi Secondary Class Examination Paper

PHYSICS
Write any two natural phenomenon related to light.

How many type of spherical mirror? Write the name.

Find the focal length of a convex mirror having radius of curvature 20 cm.

Write the unit of the power of lens.

Find the power of a concave lens of focal length 2 m.

State the size and nature of the image formed by the plane mirror.

In which direction a RAY of light bends while going form rarer medium to a
denser medium? Write the name of this phenomenon.

Write two uses of a convex mirror.

Which mirror is used in the motor vehicle infront of the driver and by which its property it is used ?

Write the symbol of the distance of the object and the image in a spherical mirror.

What is the nature of the image formed by the convex mirror?

Give two examples of a transparent medium.

Which mirror is used in shaving and by which its property ?

Which spherical mirror is used in solar cooker and by which property?

What is the nature of the image formed by the concave lens

Write the Two laws of reflection of light.

An object is kept at a distance of 60 cm in front of a concave mirror of focal length 20 cm. Find the position and nature of the image.

Find the focal length of that lens Whose power is – 2.O D. which type of this lens is ?

The magnification produced by a plane mirror is +1. What is the meaning of it ?

The image of an object placed at a distance of 15 cm from a concave mirror is formed at a distance of 30 cm. Find the focal length of the mirror.
Write any two characteristics of an image formed by a plane mirror.

Write two differences between real image and virtual image.

The image of an object placed at a distance of 50 cm from the convex lens is formed at a distance of 50 cm. Find the focal length of this lens.

Any object is placed beyond 2F1 of any convex lens then what is the nature and size of the image formed by it ? Draw a ray diagram to show the formation of image.

A ray of light passes from air to diamond which refractive index is 2.42. Find the velocity of light in the diamond if the velocity of light in air is 3X108 m/s.

A ray of light enters into glass of refractive index 1.5. Find the speed of light in the glass. The velocity of light in air is 3X108 m/s.

Write the laws of refraction.
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