HARD
8th Maharashtra Board
IMPORTANT
Earn 100

Explain the construction of a calorimeter. Draw the necessary figure.

Important Questions on Measurement and Effects of Heat

MEDIUM
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Can you recall?>Q 2
How is heat transferred?
HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 3
Explain why rails have gaps at specific distances.
HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 3
Explain with the help of formula the expansion coefficients of liquid and gas.
HARD
8th Maharashtra Board
IMPORTANT
General Science>Chapter 14 - Measurement and Effects of Heat>Exercises>Q 4
What must be the temperature in Fahrenheit so that it will be twice its value in Celsius?
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?