Questions

___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.

Two vectors are said to be equal if

In science a push or pull of an object is called ________.

The slope of a Distance­Time graph shows ___________.

The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

Convex mirror is generally used in _____.

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is orrect.

1. The king was distressed because his people were lazy.
P. All cursed the stone and blamed the Government.
Q. Then the king had the stone removed.
R. Next day people passed by and went round it.
S. He had a big stone put in the middle of the road one night.
6. Under the stone the king had placed a purse full of money.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

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