Questions

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

What is the name of world’s first artificial intelligence politician developed by New Zealand?

What is the name of the probe to be launched by NASA in 2018 to explore the Sun’s outer atmosphere?

Prime Minister's 'Ujjwala Yojana' is related to __________________

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

She said to me, "I always drink a cup of green tea as soon as I get up."

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 correct.

1. My hobby is to collect thought provoking articles from newspapers, magazines and Journals.
P. It has made me a much sought after speaker.
Q. It keeps me updated and helps me in my profession.
R. My successful talks give me self-satisfaction and fame.
S. Whenever I have to deliver a talk on topics such as education, personality development, stress management, I have a lot to say.
6. There is no doubt that a hobby is a boon if it combines pleasure and usefulness.