........... is used in a periscope for the reflection of light. - Vidyadip

MCQ

$...........$ is used in a periscope for the reflection of light.

A
Concave lens.
B
Convex lens.
C
Concave mirror.
✓
Plane mirror.

✓

Answer

Correct option: D.

Plane mirror.

Plane mirror.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [I MARKS]" from Chemical Effects of Electric Current→Chemical Effects of Electric Current — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Fill in the blanks with the most appropriate option.
$i.\ 'W'$ is very reactive metal, reacts vigorously with oxygen and water therefore, stored in $.......(1).......$.
$ii.\ 'X'$ is non-metal, soft and dull and forms $.......(2).......$. oxides with oxygen.
$iii.\ 'Y'$ is very reactive $.......(3).......$. catches fire if exposed to air, therefore, stored in water.
$iv.\ 'Z'$ does not react with dilute hydrochloric acid even on heating but it reacts with sulphuric acid. When it is exposed to moist air for long, it acquires a dull $.......(4).......$. coating.

When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water In the dropper is due to

In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is:

The diagram given below shows a ball rolling down a slope. The ball finally comes to a stop by itself. Which of the following statements describes what most likely caused the ball to stop?

Frequency is expressed in

When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of.

The major component of $LPG$ is:

Destructive distillation of coal is carried out by heating coal strongly to $1000^\circ C$ in the absence of air. The various useful products obtained are.

Which of the following is not a characteristic property of iron?

Paheli is writing some statement which is given by her teacher. Would you help him to choose the incorrect statements?