Related InterviewSolutions

• Which is optically denser : water or air ? Give reason.
• A ray of light moving from an optically rarer to a denser medium1. bends away from the normal2. bends towards the normal3. remains undeviated4. none of the above
• Write true or false for the statementWater is optically denser than glass.
• Fill in the blanks(a) Water is optically........... 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 colors 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 center of curvature of a spherical mirror is............(j) A convex mirror always forms a virtual image.(k) A........... ..mirror forms a virtual image for an object placed........... 
• What is a real image ? Name the mirror which can be used to obtain the real image of an object. What should be the position of the object relative to the mirror ?
• Write true or false for the statementA virtual image formed by a spherical mirror is always erect and situated behind the mirror.
• How is the position of image formed by a plane mirror related to the position of the object ?
• State four characteristics of the image formed by a plane mirror.
• The image formed by a plane mirror is 1. virtual and inverted 2. virtual and of same size 3. real and inverted 4. real and of same size
• A man standing in front of a plane mirror finds his image to be at a distance of 6 metre from himself. The distance of man from the mirror is 1. 6 m 2. 3 m 3. 2 m 4. 12 m