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- Time taken for the temperature of the oil to rise by 10oC?
Answer: Option A Video explanation
- Normal force P, Q and friction at Q, which force(s) will increase as the man climbs up the ladder?
When a body is in equilibrium, there are two conditions. 1) Net moment is zero: POM, anticlockwise moment = clockwise moment 2) Net force is zero: total upward forces = toward downward forces Answer: Option D View the explanation:
- What happens to the reading on the electronic balance when current flow through the wire?
We are all familiar to applying FLHR to the current-carrying wire. But actually there is an equal and opposite force acting on the magnet too! Magnetic force is an action-reaction pair (Newton’s 3rd Law) View the video explanation What happens to the readings on the electronic balance when currents flow through the wire? https://youtu.be/6R32DsGNkic
- Converging lens - Which shows the image formed correctly?
Answer: Option A View the explanation Click here to view the basic concepts of converging lens https://www.sgphysicstuition.com/post/converging-lens-overview
- Which has higher specific heat capacity and latent heat of fusion?
Answers: Option C View the explanation
- Finding the density of the alloy
Answer: Option C View the explanation
- What is the acceleration of the 10kg block if the string breaks
Answer: Option D View the explanation
- Speed-time graph of water rocket
Answer: Option C View the explanation
- Magnet falls through solenoid, what is the direction of the induced current? (Pure Physics)
Answer: Option C View explanation
- Power of the boy to go up a slope at constant speed
Answer: Option A View the explanation
- Liquid pressure involving two manometers with different liquids P and Q (pure physics)
Answer: Option A View the explanation
- What is at Q to cause a force on P?
Answer: Option B View the explanation
