Questions

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is _________________.

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

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. Suddenly the man heard the low hum of an engine.
P. Instead, it grew louder and louder and seemed to be coming from above.
Q. At first he thought that it must be a car travelling along the road he had recently left.
R. He looked up quickly and saw an aeroplane cutting a crazy, zigzag path across the sky.
S. He expected the noise to fade away in the distance.
6. It disappeared for an instant behind some clouds, then emerged and plunged into the field.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Of the three activities of thought, word and deed, perhaps thought is the most ______ and powerful force, for it is the ______ of the other two. Success is achieved twice, once in the mind and the second time in the real world. No matter in whose mind thought occurs; its laser-like energy seeks a target. That’s why we give so much importance to ______, seeking divine blessings before ______ on any project as we know that positive thinking is a strong force that can be ______ for the welfare and success of all.

the most ______ and powerful

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

They did nothing (1)/ that was down the (2)/ dignity of princes. (3)/No Error (4)

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate itby selecting the appropriate option.

There are _____ books on computer science in your school library, so you need to purchase them from the market.

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

_____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.