Water is opitcally ______ than air.

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asked Apr 22 in Class IX Science by navnit40 (-3,230 points)

(a) Water is opitcally ______ than air.
(b) Air is optically ______ than glass.
(c) When a ray of light travels from water to air, it bends _____________ the normal.
(d) When a ray of light travels from air to glass, it bends ___________ the normal.
(e) When white light passes through a prism, it __________.
(f) The splitting of white light into its constituent colours is called ____________.
(g) A _________ mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
(h) Radius of curvature of a spherical mirror is _________ its focal length.
(i) The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is __

(j) A _________ mirror always forms a virtual image.
(k) A concave mirror forms a virtual image for an object placed _______________________.

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1 Answer

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answered Apr 22 by priya12 (-11,607 points)

(a) denser

(b) rarer

(c) away from 

(d) towards

(e) disperses

(f) dispersion

(g) concave

(h) two times 

(i) 0°

(j) convex

(k) between pole and focus