Download App

Work, Energy, and Power — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsWork, Energy, and Power1 Mark
Question
Answer the following: The casing of a rocket in flight burns up due to friction. At whose expense is the heat energy required for burning obtained? The rocket or the atmosphere?
✓

Answer

Heat energy required for burning of casing of rocket comes from the rocket itself. As a result of work done against friction the kinetic energy of rocket continuously deceases and this work against friction reappears as heat energy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Work, Energy, and Power→Work, Energy, and Power — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Fill in the blanks using the word (s) from the list appended with statement: Viscosity of gases . . . with temperature, whereas viscosity of liquids . . . with temperature. (increases/ decreases)
→
How is mean free path depends on number density of the gas?
→
If the density of a gas is kept constant but the root mean square velocity of the gas molecules is doubled, then how much will the pressure of the gas increase?
→
What is the value of energy absorbed by the system in the adiabatic process?
→
Give an example of:
A constant which has a unit.
→
A body is moving in a circular path such that its speed always remains constant. Should there be a force acting on the body?
→
What is meant by angular diameter of moon?
→
Tires have stronger grip on a flat road than when climbing a sloping road. Explain
→
Write the reason, why negative temperature is not possible on the ultimate temperature scale?
→
Write all three equations of motions.
→