Light Shadows and Reflections Class 7 Assertion and Reason Questions
hardLight Shadows and Reflections Class 7 Assertion and Reason Questions
Light Shadows and Reflections Class 7 Assertion and Reason Questions
Following questions are of Assertion (A), Reason (R) type questions. Choose the correct answer from the following options.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
1. (A): The image formed by a plane mirror is laterally inverted.
(R): Lateral inversion occurs because light reflects off the mirror at equal angles.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
2. (A): A pinhole camera produces an inverted image of an object.
(R): Light travels in straight lines and passes through the small hole, projecting the image onto the screen.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
3. (A): The shadow of an object is longest when the sun is at its highest point in the sky.
(R): Shadows are formed when light is blocked by an object, and the angle of the sun affects shadow length.
Answer:
(d) A is false, but R is true
4. (A): A periscope allows you to see objects that are not in your direct line of sight.
(R): The use of two mirrors in a periscope reflects light from the object to your eyes.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.
5. (A): The image of a tree viewed through a pinhole camera appears upright.
(R): The image formed by a pinhole camera is always erect.
Answer:
(d) A is false, but R is true