Day and night settings for rearview mirrors uses

Important Questions on Ray Optics and Optical Instruments

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 2

While capturing solar energy for commercial purposes we use

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 3

A convex mirror is used to form an image of a real object. Then mark the wrong statement

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 4

A concave mirror of focal length $f$ produces an image $n$ times the size of the object. If the image is real, then the distance of the object from the mirror is

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 5

A convex mirror has a focal length $f.$ A real object is placed at a distance $f$ in front of it from the pole, then it produces an image at-

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 6

An object placed in front of a concave mirror of focal length $0.15 \mathrm{m}$ produces a virtual image, which is twice the size of the object. The position of the object with respect to the mirror is

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 7

When a light ray from a rarer medium is refracted into a denser medium, its

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 8

A narrow, paraxial beam of light is converging towards a point I on a screen. A plane parallel plate of glass of thickness $t,$ and refractive index $\mu$ is introduced in the path of the beam. The convergence point is shifted by

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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 9

The length of a vertical pole at the surface of a lake of water $\left(\mu =\frac{4}{3}\right)$ is $24 \mathrm{cm}.$ Then to an under-water fish just below the water surface the tip of the pole appears to be