In which situation , the value of focal ...

In which situation , the value of focal length of the lens is equal to the value of the image distance ?

Verified by Experts

For the objects at infinity distance, the value of focal length of the lens is equal to the value of the image distance .

HUMAN EYE AND COLOURFUL WORLD
VGS PUBLICATION-BRILLIANT|Exercise CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-II) (1 MARKS QUESTIONS)|11 Videos
HUMAN EYE AND COLOURFUL WORLD
VGS PUBLICATION-BRILLIANT|Exercise CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-II) (Conceptual understanding )|28 Videos
HUMAN EYE AND COLOURFUL WORLD
VGS PUBLICATION-BRILLIANT|Exercise QUESTIONS GIVEN IN THE LESSON (4 MARK QUESTIONS)|1 Videos
GRAVITATION
VGS PUBLICATION-BRILLIANT|Exercise ADDITIONAL PROBLEMS|4 Videos
KINETIC THEORY
VGS PUBLICATION-BRILLIANT|Exercise Additional Problems|5 Videos

The focal length of a lens depends upon

nature of the material of lens

colour of light

the medium in which lens is placed

all of the above

Magnifying power of microscope will increase, but that of telescope will decrease

Magnifying power of microscope and telescope both will increase

Magnifying power of microscope and telescope both will decrease

Magnifying power of telescope will decrease, but that of telescope will increase

`((u_(1) + u_(2))/(2))m`

`((u_(1) -u_(2))/(3))2m`

`((u_(1) -u_(2))/(2))3m`

`((u_(1) + u_(2))/(3))2m`