Question
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
✓
Answer
The ray is reflected infinite number of times between the two plane mirrors placed parallel to each other.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Give an example of a herbivore.
State whether the following statements are True or False: Internal fertilization takes place in hens.
Which phase comes after New Moon?
Name the organs which produce female gametes.
Fill in the blanks with the help of words given in bracket after each sentence. Water which is suitable for _________ is called ________ water. (washing, bathing, drinking, potable, soft).
Name two plant organ which is responsible for: Absorption if water and minerals.
Name a device which glows even when a weak electric current passes through it.
How many smaller divisions are there between the two bigger marks?
State whether the following statements are True or False:
A new human individual develops from a cell called gametes.
A new human individual develops from a cell called gametes.
If in Fig. iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer. 