Free CBSE Class 10 Science Light- Reflection and Refraction Worksheets

Download free printable Light- Reflection and Refraction Worksheets to practice. With thousands of questions available, you can generate as many Light- Reflection and Refraction Worksheets as you want.

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Sample CBSE Class 10 Science Light- Reflection and Refraction Worksheet Questions

1.
State TRUE/FALSE: If a glass lens is immersed in water, then its power increases.
1. TRUE 2. FALSE
2.
State TRUE/FALSE: Magnification of virtual image is always positive.
1. TRUE 2. FALSE
3.
State TRUE/FALSE: Concave lens is used in spectacles for eyes suffering from myopia.
1. TRUE 2. FALSE
4.
State TRUE/FALSE: Image formed by concave mirror is always virtual.
1. TRUE 2. FALSE
5.
State TRUE/FALSE: The refractive index of a rarer medium with respect to a denser medium is greater than 1
1. TRUE 2. FALSE
6.
State TRUE/FALSE: According to the sign convention, the distance of object is always negative.
1. TRUE 2. FALSE
7.
State TRUE/FALSE: Snell's law is valid even when light is incident normally on surface of a refracting medium.
1. TRUE 2. FALSE
8.
Distance of an object from convex lens of focal length 10 cm is 15 cm. Find the size of the image if the size of the object is 4 cm.
9.
Calculate the focal length of convex lens which produces a virtual image at a distance of 25 cm of an object placed 10 cm in front of it
10.
Speed of light in a medium is 0.75 times that of its speed of light in vacuum . Calculate the absolute refractive index of the medium.

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