Q:

Optical fiber works on the principle of

A) Scattering	B) interference
C) total internal reflection	D) refraction

Answer & Explanation Answer: C) total internal reflection

Explanation:

Optical_fiber_works_on_the_principle_of1556277954.jpg image

Optical fiber works on the principle of total internal reflection.

The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

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40 17310

Q:

Vikramshila Mahavihara was established by the ruler of

A) Pushyabhuti Dynasty	B) Barman Dynasty
C) Sen Dynasty	D) Pala Dynasty

Answer & Explanation Answer: D) Pala Dynasty

Explanation:

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Filed Under: Indian History

41 17308

Q:

An increase in productivity will

A) Increase aggregate supply	B) Increase in price level
C) Increase in demand	D) All the above

Answer & Explanation Answer: A) Increase aggregate supply

Explanation:

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Exam Prep: Bank Exams

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Q:

What is the output of this C code?

        #include <stdio.h>
        void main()
        {
            int x = 97;
            char y = x;
            printf("%cn", y);
        }

A) a	B) 97
C) Run time error	D) None

Answer & Explanation Answer: A) a

Explanation:

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1 17277

Q:

______________ among the following is not an operating system.

A) Mozilla Firefox	B) Microsoft Windows
C) Linux	D) Apple MacOS

Answer & Explanation Answer: A) Mozilla Firefox

Explanation:

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Q:

The largest fresh water lake in India is

A) Pulicat Lake	B) Veeranam Lake
C) Chilka Lake	D) Kolleru Lake

Answer & Explanation Answer: D) Kolleru Lake

Explanation:

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Filed Under: General Awareness

145 17234

Q:

Find the Missing Numbers in the given Number Puzzle ?

A) 169 & 81	B) 67 & 121
C) 64 & 115	D) 70 & 110

Answer & Explanation Answer: A) 169 & 81

Explanation:

Observe that in each column, square of sum of digits in the first row = Respective second row elements.

In the same way, square of sum of digits in the second row = Respective third row elements.

=> ${(6 + 4)}^{2} = 10^{2} = 100$

=> ${(4 + 9)}^{2} = 13^{2} = 169$

=> ${(8 + 1)}^{2} = 9^{2} = 81$ .

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Filed Under: Number Puzzles
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93 17233

Q:

The discovery of neutron became very late because

A) it is present in nucleus	B) it is a fundamental particle
C) it does not move	D) it does not carry any charge

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