Image formed on the retina is

Important Questions on Geometric Optics

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 133

If there had been one eye of the man, then

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 134

Image is formed for the short sighted person at

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 135

The impact of an image on the retina remains for

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 136

When the power of eye lens increases, the defect of vision is produced. The defect is known as

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 137

In human eye, the focusing is done by

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 138

The exposure time of a camera lens at $\frac{f}{2.8}$ setting is $\frac{1}{200} \mathrm{s}$. The correct time of exposure at $\frac{f}{5.6}$ is

MEDIUM

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 139

An object is placed at a distance $u$ from a simple microscope of focal length $f$. The angular magnification obtained depends

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 7 - Geometric Optics>Objective Problems [Level 1]>Q 140

The focal lengths of the objective and eye lens of a microscope are $1 \mathrm{cm}$ and $5 \mathrm{cm}$ respectively. If the magnifying power for the relaxed eye is $45$, then the length of the tube is