Questions

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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Filed Under: Physics
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

40 17848
Q:

The absolute value of charge on electron was determined by

A) J.J.Thomson B) R.A. Millikan
C) Rutherford D) Chadwick
 
Answer & Explanation Answer: B) R.A. Millikan

Explanation:
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Filed Under: Chemistry

59 17814
Q:

The radioactive element most commonly detected in humans is

A) potassium-40 B) cobalt-60
C) iodine-131 D) plutonium-238
 
Answer & Explanation Answer: A) potassium-40

Explanation:
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Filed Under: General Science

94 17791
Q:

Who coined the term 'Hindu rate of growth' for Indian economy

A) A.K.Sen B) Kirit S.Parikh
C) Raj Krishna D) Montek Singh Ahluwalia
 
Answer & Explanation Answer: C) Raj Krishna

Explanation:
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Filed Under: Indian Economy

33 17788
Q:

Which of the statements given below are correct?

1. The author of the novel 'Forty Thieves' is Thomas Perry.
2. The author of the novel 'Half of a Yellow Sun' is Jennifer Egan.
3. The author of the novel 'Middlesex' is Chimamanda Ngozi Adichie.

A) 1 and 2 B) 2 and 3
C) 1 and 3 D) 1, 2 and 3
 
Answer & Explanation Answer: B) 2 and 3

Explanation:
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Filed Under: Books and Authors
Exam Prep: Bank Exams

0 17764
Q:

Who among the following is a recipient of first World Sanskrit Award?

 

A) Pandit Shivashankar Tripathi B) John Merkel
C) Maha Chakri Sirindhorn D) Hassan Abbas
 
Answer & Explanation Answer: C) Maha Chakri Sirindhorn

Explanation:
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Filed Under: Honours and Awards
Exam Prep: Bank Exams

1 17762
Q:

Which batsman started his international cricketing career at the age of 16

A) Suresh Raina B) Sachin Tendulkar
C) Piyush Chawla D) Rahul Dravid
 
Answer & Explanation Answer: B) Sachin Tendulkar

Explanation:
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Filed Under: Sports

57 17761
Q:

What are the four things needed to connect to the internet?

A) telephone line, modem, computer, and an ISP B) modem, computer, PDA, and ISP
C) telephone line, modem, computer, and PDA D) computer, ISP, modem, and communication software
 
Answer & Explanation Answer: D) computer, ISP, modem, and communication software

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams
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106 17728