Questions

A curved mirror where the reflecting surface is curved inwards is called a

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

For the buying and selling of precious metals such as Goldand Silver, the market established is termed as ________ .

The innovation theory of profit was proposed by

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’.
Her mother is (1)/ angry and (2)/ indifferent to me. (3)/ No Error (4)

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.

Books are our ______ friends. They are our guides. We can learn everything from them. The books contain all the great ______ of the world's leaders and we can learn them by reading the books. The books help us find ______ to our questions. The books never fail us. We should read as ______ books as we can. But all books are not good. So we should ______ only good books.

So we should ______ only good books and read them.

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 :There were shots as I ran.
S6:Staying submerged was only too easy with so much clothing and my army boots.
P:The water was icy, but I stayed until I thought my lungs would burst.
Q:I tripped at theedge and went in with a splash.
R:The minute I came up I took a breath and plunged down again.
S:I ducked down, pushed between two men and ran for the river.

The proper sequence should be

What is the name of the process where gas is directly converted to solids called?