Question

(A)Name the device which is used to measure the hotness or coldness of an object.
1 point
(a) Picometer
(b) Barometer
(c) Manometer
(d) Thermometer
(B)Which one is filled in the bulb of a thermometer?
1 point
(a) Mercury
(b) Lead
(c) Copper
(d) Silver
(C)Heat always flows
1 point
(a) from a colder object to a hotter object
(b) from a hotter object to a colder object
(c) in both the directions
(d) heat never flows from one object to other
(D)Heat from the sun reaches to us by
1 point
(a) radiation
(b) conduction
(c) convection
(d) all of these
(E)Conduction is the method of transfer of heat in
1 point
(a) liquids
(b) solids
(c) gases
(d) vacuum​

Answer 1

Answer:

A

1. Thermometer

2. Mercury

3. From a hotter object to colder object

4. Radiation

5. Solid, liquid,gases

Explanation:

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Answer 2

Answer:

A)d) Thermometer

B)a) Mercury

C)b) from a hotter object to a colder object.

D)a) radiation

E)a) liquids

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