Question
If we use water instead of mercury in a barometer, what will be the height of water?
✓
Answer
10.34m.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Why is spring made of steel and not of copper?
A simple pendulum is inside a space craft. What should be its time period of vibration?
A ball is dropped from a height of $90m$ on a floor. At each collision with the floor, the ball loses one tenth of its speed. Plot the speed$-$time graph of its motion between $t = 0$ to $12s$.
→What is the principle of calorimetry?
A $1kg$ block situated on a rough incline is connected to a spring of spring constant $100Nm^{-1}$ as shown in. The block is released from rest with the spring in the unstretched position. The block moves 10cm down the incline before coming to rest. Find the coefficient of friction between the block and the incline. Assume that the spring has a negligible mass and the pulley is frictionless.
→Fig. depicts four x-t plots for linear motion of a particle. Which of the plots represent periodic motion? What is the period of motion (in case of periodic motion)?
Boiling of water at its boiling point is an example of which process?
It is a common observation that rain clouds can be at about a kilometre altitude above the ground. Rate of change of momentum is force. Estimate how much force such a drop would exert on you.
Answer the following: An artificial satellite orbiting the earth in very thin atmosphere loses its energy gradually due to dissipation against atmospheric resistance, however small. Why then does its speed increase progressively as it comes closer and closer to the earth?
When will the Kepler's law be applicable on the planets?