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A body cools from 62°C to 54°C in 10 minutes and to 48°C in the next 10 minutes. Find the temperature of the surroundings.
Chapter: [7] Thermal Properties of Matter
Concept: Temperature and Heat
Concept: Temperature and Heat
The susceptibility of magnesium at 300K is 1.2 x 10-5. At what temperature will the susceptibility increase to 1.8 X 10-5?
Chapter: [7] Thermal Properties of Matter
Concept: Temperature and Heat
Concept: Temperature and Heat
The substance which allows heat radiations to pass through is _______.
(A) iron
(B) water vapour
(C) wood
(D) dry air
Chapter: [7] Thermal Properties of Matter
Concept: Temperature and Heat
Concept: Temperature and Heat
Explain: ‘How is a rainbow formed’?
Chapter: [9] Optics
Concept: Some Natural Phenomena Due to Sunlight
Concept: Some Natural Phenomena Due to Sunlight
