Question Text
Question 5 :
Water is cooled from 4 °C to 0 °C. It will:
Question 7 :
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
Question 8 :
A mirror forms a virtual image (diminished) of an object, whatever be the position of object :
Question 9 :
The image formed by a plane mirror has the following characteristic:
Question 10 :
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 {tex} \mathrm{cm} {/tex}. The focal length of the concave mirror is :
