Rectilinear Propagation of Light
Physics ⇒ Light and Optics
Rectilinear Propagation of Light starts at 7 and continues till grade 12.
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See sample questions for grade 7
Describe what happens to the path of light when it passes from air into water at an angle.
Describe what happens to the shadow of a tree at noon compared to early morning.
Explain how a pinhole camera works using the concept of rectilinear propagation of light.
Explain why a solar eclipse occurs using the concept of rectilinear propagation of light.
If three cardboards with holes in the center are placed in a straight line and a light source is placed behind them, what will you observe on a screen placed after the third cardboard?
Describe what happens to the shadow of a tree at noon compared to early morning.
If three cardboards with holes in the center are placed in a straight line and a light source is placed behind them, what will you observe on a screen placed after the third cardboard?
If you look through a straight tube, you can see the other end. If the tube is bent, you cannot see through it. What does this demonstrate?
Light travels in a straight line in which type of medium?
(1) Only in solids
(2) Only in liquids
(3) Only in gases
(4) In any homogeneous medium
Which of the following best demonstrates the rectilinear propagation of light?
(1) Formation of shadows
(2) Reflection from a mirror
(3) Refraction through water
(4) Dispersion through a prism
Which of the following is a property of light?
(1) It travels in a straight line
(2) It can pass through all objects
(3) It cannot form shadows
(4) It always bends around objects
Which of the following is necessary for the rectilinear propagation of light?
(1) A straight path
(2) A curved path
(3) A zigzag path
(4) A circular path
Fill in the blank: The concept that light travels in straight lines is called the ________ of light.
Fill in the blank: The path along which light travels is called a ________.
Fill in the blank: The region where light does not reach behind an opaque object is called a ________.
Fill in the blank: The straight line path of light is called a ________ of light.
True or False: Light can bend around corners without any help from other objects.
True or False: Light can pass through opaque objects.
True or False: Light can travel through a vacuum in a straight line.
True or False: The rectilinear propagation of light can be observed using a laser pointer in a dark room filled with smoke.
