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Question 1
Which colour of light shows maximum deviation when passed through a prism ?
Question 2
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?
Question 3
Light travels fastest in
Question 4
Which is the light-sensitive cell present on the retina that provides black and white vision?
Question 5
What is used as a reflector in the headlights of a vehicle?
Question 6
What will be the focal length of the spherical mirror of radius of curvature of 50 cm?
Question 7
Which of the these travels in glass with minimum velocity?
Question 8
Which lenses are used to remove the defect of presbyopia?
Question 9
When the position of object in convex lens is at infinity, the size of image will be
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