Question Text
Question 1 :
The mirror used in automobiles to see the rear field of view is
Question 3 :
During refraction through a glass block, the angle of refraction _______.
Question 4 :
The power of a lens having a focal length of $1\;cm$ is :
Question 5 :
State whether the following statement is True or False.A concave mirror always forms a real image
Question 6 :
Four students perform an experiment on tracing the path of a ray of light passing through a rectangular glass slab. Their individual observations are:<br>identify the incorrect observation and correct them.<br>
Question 7 :
Ratio of the size of the image to the size of the object is known as:
Question 9 :
Two thin lenses of focal lengths $20 cm$ and $25 cm$ areplaced in contact. The effective power of the combination is
Question 10 :
A concave shaving mirror has a radius of curvature of 35.0 cm. It is positioned so that the (upright) image of a mans face is 2.50 times the size of the face. How far is the mirror from the face?
