Light – Reflection and Refraction Chapter 9 Class 10 Science PYQs
Practice PYQ of Light – Reflection and Refraction Chapter 9 Class 10 Science with handpicked important questions from previous years question paper with solutions.
Q1:
A student has focused the image of a candle flame on a white screen using a convex lens. The situation is as given below : Length of the flame = 2 cm Focal length of the lens = 12 cm Distance of the flame from the lens = 16 cm If the flame is perpendicular to the principal axis of the lens, calculate the values of the following : (i) Distance of the image from the lens (ii) Length of the image formed
CBSE [2023]
MediumQ2:
An object is placed in front of a convex lens of focal length f. If the distance of the object from the lens is 2f, draw a ray diagram to show the formation of the image. Write the value of magnification in this case.
CBSE [2023]
EasyQ3:
Define power of a lens. The focal length of a lens is 10 cm. Write the nature of the lens and find its power. If an object is placed at a distance of 20 cm from the optical centre of this lens, according to the New Cartesian Sign Convention, what will be the sign of magnification in this case ?
CBSE [2023]
MediumQ4:
A student has focussed the image of an object of height 3 cm on a white screen using a concave mirror of focal length 12 cm. If the distance of the object from the mirror is 18 cm, find the values of the following : (i) Distance of the image from the mirror (ii) Height of the image
CBSE [2023]
MediumQ5:
An object is placed in front of a convex mirror at infinity. According to the New Cartesian Sign Convention, the sign of the focal length and the sign of the image distance in this case are respectively :
(a) +, - (b) -, + (c) -, - (d) + , +
CBSE [2023]
EasyQ6:
(a) Complete the following ray diagram to show the formation of image :
