Q:

Total internal reflection can take place when light travels from

A) Air to glass	B) Air to water
C) Water to glass	D) Diamond to glass

Answer & Explanation Answer: D) Diamond to glass

Explanation:

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Filed Under: Physics

39 11723

Q:

How many joining conditions are required to join 4 tables in SQL?

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: C) 3

Explanation:

To join 'n' tables 'n-1' conditions should be satisfied.

So to join 4 tables 3 conditions should be satisfied.

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Filed Under: Oracle Certification
Job Role: Analyst , Database Administration , IT Trainer

38 11722

Q:

The metal which reacts most violently with with cold water is

A) calcium	B) sodium
C) magnesium	D) potassium

Answer & Explanation Answer: D) potassium

Explanation:

Potassium reacts violently with water liberating hydrogen. The reaction is so violent that the liberated hydrogen catches fire.

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Filed Under: Chemistry

47 11712

Q:

The famous battle of Takkolam of South India was fought between _______

A) Cholas and North Chalukyas	B) Cholas and Rashtrakutas
C) Cholas and Hoyasals	D) Cholas and Pandyas

Answer & Explanation Answer: B) Cholas and Rashtrakutas

Explanation:

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Filed Under: Indian History

17 11711

Q:

What is the name of the virus that fool a user into downloading and executing them by pretending to be useful applications ?

A) Trojan horses	B) Keylogger
C) Worm	D) File virus

Answer & Explanation Answer: A) Trojan horses

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams , CAT
Job Role: Analyst , IT Trainer

32 11656

Q:

The Plan-Do-Check-Act cycle can be used to plan and implement Service Management Processes:
How many times should each stage of the cycle be visited?

A) There should be a single Plan and Do, and then Check and Act should be carried out multiple times to Implement Continual Improvement	B) There should be a single %n. then the Do-Check-Act cycle should be repeated multiple times to Implement Continual improvement
C) The entire cycle should be repeated multiple times to Implement Continual Improvement	D) Each stage should be carried out once in the order Plan-Do-Check-Act

Answer & Explanation Answer: D) Each stage should be carried out once in the order Plan-Do-Check-Act

Explanation:

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Filed Under: ITIL Certification

1 11652

Q:

Cinematography was invented by

A) Graham Bell	B) Edison
C) Zeiss	D) Faraday

Answer & Explanation Answer: B) Edison

Explanation:

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Filed Under: Inventions

20 11651

Q:

Buddha lived approximately at the same time as

A) Confucius	B) Moses
C) Prophet Mohammed	D) Hammurabi

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