HARD
NEET
IMPORTANT
Earn 100

A virtual erect image by a diverging lens is represented by (u, v, f are coordinates)

33.33% studentsanswered this correctly

Important Questions on Ray Optics

MEDIUM
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 122

What should be the value of distance d so that the final image is formed on the object itself. (focal lengths of the lenses are written on the lenses).

Question Image

EASY
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 123
A thin linear object of size 1 mm is kept along the principal axis of a convex lens of focal length 10 cm. The object is at 15 cm from the lens. The length of the image is
EASY
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 124
A glass lens is placed in a medium in which it is found to behave like a glass plate. The refractive index of the medium will be:
EASY
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 125
A divergent lens will produce
EASY
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 126
The minimum distance between object and it's real image formed by a convex lens is:
MEDIUM
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 127
A biconvex lens forms a real image of an object placed perpendicular to its principal axis. Suppose the radii of curvature of the lens tend to infinity. Then the image would
MEDIUM
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 128
The radius of curvature of the convex surface of a thin plano-convex lens is 15 cm and refractive index is 1.6. The power of the lens is ?
EASY
NEET
IMPORTANT
Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 129
A lens is placed between a source of light and a wall. It forms images of areas A1 and A2 on the wall for its two different positions. The area of the source of light is