Answer the following question:
Why does the halwai wrap up clothes around the end of his slotted spoon while stirring the building milk in his large kadhai?

Answer the following questions : Does the value of g change while going deep inside the earth ? why ?

Answer the following questions : My grandfather uses a bifocal lens in his spectacles . Explain why .

Answer the following question : Why does it happen ? If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.

Answer the following question: Why do we hold a steel glass in a handkerchief while drinking hot milk from it? What are other examples of this kind?

Answer the following questions: Read the following sequence of events and answer the questions based on the same. Ranjit saw that the dog sitting by his side had suddenly become alert. In a short time, Ranjit heard footsteps of a man and the stranger approached Ranjit. Rajit now understood why the dog had suddenly become alert. Name some other animals that can hear sound of frequency not audible to human beings.

Answer the following questions: Read the following sequence of events and answer the questions based on the same. Ranjit saw that the dog sitting by his side had suddenly become alert. In a short time, Ranjit heard footsteps of a man and the stranger approached Ranjit. Rajit now understood why the dog had suddenly become alert. What is the difference between the audible range of sound for Ranjit and the dog?

Answer the following questions : As per the request of one of his friends from the equator, Rahul buys 100 grams of silver at the north pole. He hands it over to his friend at the equator. Will the friend agree with the weight of the silver bought ? If not, why ?

Ankit developed an eye defect at the age of 65 yrs and had to wear a lens of power+3D.Answer the following questions: (a) Name the eye defect. (b) State two reasons why this defect is caused? (c) Compute the focal length of his lens

Read the given passage and answer the following questions: The home electrical connection consists of 'live','neutral' and 'earth wires. The 'live' and the 'neutral' wires have potential difference of 220 v. The earth ire is connected to ground. Due to a fault in the equipment or if the plastic coating on the 'live ' and the neutral wires gives away the two wires come in contact with each other and a large current flows through it producing heat . If any inflammable material (such as wood , cloth , plastic etc). exists around that place it can catch fire. Therefore a fuse wire is used as a precautionary measures. Name the two wires having potential difference of 220 v.

Read the given passage and answer the following questions: The home electrical connection consists of 'live','neutral' and 'earth wires. The 'live' and the 'neutral' wires have potential difference of 220 v. The earth ire is connected to ground. Due to a fault in the equipment or if the plastic coating on the 'live ' and the neutral wires gives away the two wires come in contact with each other and a large current flows through it producing heat . If any inflammable material (such as wood , cloth , plastic etc). exists around that place it can catch fire. Therefore a fuse wire is used as a precautionary measures. What is short circuit?