HARD
8th Maharashtra Board
IMPORTANT
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What must be the temperature in Fahrenheit so that it will be twice its value in Celsius?

Important Questions on Measurement and Effects of Heat

HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 4
A bridge is made from 20 m long iron rods. At temperature 18 °C, the distance between two rods is 0.4 cm. Up to what temperature will the bridge be in good shape?
HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 4
At 15 °C the height of Eiffel Tower is 324 m. If it is made of iron, what will be the increase in length in cm, at 30 °C? 
(Temperature coefficient of linear expansion of iron = 11.5×10-6 °C-1)
HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 4
Two substances A and B have specific heats c and 2c respectively. If A and B are given Q and 4Q amounts of heat respectively, the change in their temperatures is the same. If the mass of A is m, what is the mass of B?
HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 4
When a substance having mass 3 kg receives 600 cal of heat, its temperature increases by 10 °C. What is the specific heat of the substance?