Questions

In the gamma decay of a nucleus

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

Which park also shares its boundaries with Bangladesh?

The Ukai project is situated _____________.

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :One of the many young scientists who chose to throw in their lot with Rutherford was an Oxford physical chemist, Frederick Soddy.
S6:We now know that Gamma rays are a particularly fierce form of X-rays.
P:His association with Rutherford lasted only two years, but that was long enough to change the whole face of physics.
Q:He was just 23.
R:They found that thorium changed into a new element, thorium X, and in the process gave off what was apparently a gas and at the same time a third type of ray, which they named after the Greek letter ‘Gamma’.
S:When he teamed up with Rutherford,they investigated thorium which, as Marie Curie had shown, was radioactive.

The proper sequence should be 

In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.

LETHARGIC

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required.

The only bright spot so far this year for Apple is with its iPhone 8 Plus, which at 0.4% market share, topped early performance for the iPhone 7 Plus and iPhone 6 Plus, which attracted 0.2% and 0.3% market share, respectively.

i. Topped in early performance

ii. Topped to perform early

iii. Topped in earlier performing