1. The SI unit of temperature is
(a) kelvin
(b) joule
(c) calorie
(d) kilocalorie
2. To prepare weather report the daily temperature is measured by a
(a) clinical thermometer
(b) laboratory thermometer
(c) maximum-minimum thermometer
(d) digital thermometer
3. In solids, heat is transferred by the process of
(a) conduction
(b) convection
(c) radiation
0 (d) ionization
00 00 00 00
4. Dark coloured clothes are preferred in winter because they
(a) absorb more heat
O (b) reflect more heat
(c) automatically keep us warm
(d) all of these
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3
Answer:
1.option a
2.optiond
3.option a
4.option a
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