Question Text
Question 1 :
What would be the nature of image formed by concave mirror when the object is placed between centre of curvature and focus?
Question 2 :
What would be the relative size of the image formed by convex lens when the object is placed between $F_{1}$ and $2F_{1}$ ?
Question 3 :
To obtain an erect image of an object, using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror?
Question 4 :
The ray of light which bends when passed through second medium is known as ___.
Question 6 :
What would be the relative size of the image formed by convex lens when the object is placed at $2F_{1}$ ?
Question 7 :
Which of the following lenses would you prefer to use while reading small letters found in a dictionary?
Question 8 :
What would be the relative size of the image formed by concave lens when the object is placed between infinity and optical centre O of the lens?
Question 9 :
A spherical mirror, whose reflecting surface is curved inwards, that is, faces towards the centre of the sphere, is called a___.
Question 10 :
What would be the size of image formed by concave mirror when the object is placed between principal axis and focus?