Q
A student uses a convex lens to project an image of a tree onto a wall. If the image is found to be smaller than the tree, what can be inferred about the tree's position relative to the lens?
RRB JE
25/02/2026 / 4:30 PM - 6:00 PM
2026
✓ Answer:
B
The tree is placed beyond twice the focal length (beyond 2F) of the lens.
Newton's first law describes inertia: an object continues in its state of rest or uniform motion unless acted upon by an external unbalanced force.