Simple microscope is used for watch repairs. - Vidyadip

Question

Simple microscope is used for watch repairs.

✓

Answer

(i) A magnifying glass works on the principle of simple microscope.
(ii) When an object is placed within the focal length of a convex lens we get a virtual, erect and magnified image on the same side of the lens.
(iii) This principle is used by the watch repairer to see the small parts more clearly. Hence, watchmakers use a magnifying glass while repairing wristwatches.

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 "Give scientific reasons: [2 M]" from P-1 Lenses→P-1 Lenses — all question types→Science STD 10 question papers→Maharashtra Board STD 10 question papers→Maharashtra Board question paper generator→

Similar questions

The flow of energy in the ecosystem is unidirectional.

Enzymes obtained by microbial process are mixed with detergents.

In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster, etc. an alloy such as Nichrome is used, not pure metals.

Iron articles rust readily whereas steel which is also mainly made of iron does not undergo corrosion.

Give scientific reason:
The copper vessels turn greenish and silver articles turn blackish when kept open in air for long time.

In winter, the pipelines carrying water burst in cold countries.

Drops of water can be seen accumulating on the glass of vehicles in the early hours of winter.

Boilers of the thermal power plants have tall chimneys.

Consuming liquor is always bad.

Write scientific reason.
Anodization method is useful for prevention of the corrosion of the aluminium.