Questions

Which of the following solutions is alkaline?

Rearrange the parts of the sentence in correct order.

P: But the achievements of science have not come to man as a ripe apple falls in the lap of a man sitting under an apple tree.
Q: Science is not just the result of observation and experience.
R: It is, on the other hand , the result of centuries of hard work done by man, even at the risk of his own life or health.
S: There is no doubt that science has been the greatest boon to man so far.

Which of the following statements is/are INCORRECT?

A. The value of G on the moon is equal to that on the earth.

B. 26.68 x 10-11 N is the force of gravitation between two point masses of 2 kg and 2kg kept 1 m apart.

C. Newton's law of gravitation is valid in the laboratory only.

D. Force is inversely proportional to the square of the distance between two bodies.

Select the antonym of

to wring

Select the antonym of

endeavour

Which subatomic particle has a negative charge?

Select the antonym of

vigour

It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?