Q:

A boy is swinging a ball attached to a string in a horizontal circle.If the string snaps

A) the ball will travel towards the center of the circle and fall down	B) it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
C) it will fall down at the same place where the string breaks	D) none of these

Answer & Explanation Answer: B) it will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down

Explanation:

The centripetal force having been removed the body cannot execute the curved path. (B) is Correct.

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Filed Under: Physics

4 3618

Q:

What frequency range is the high frequency band?

A) 3 kHz	B) 3 to 30 MHz
C) 30 to 300 MHz	D) 10 GHz

Answer & Explanation Answer: B) 3 to 30 MHz

Explanation:

The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.

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4 3617

Q:

Who has been appointed as the Election Commissioner of India ?

A) S. Y. Quraishi	B) Sunil Arora
C) H. S. Brahma	D) Nasim Zaidi

Answer & Explanation Answer: B) Sunil Arora

Explanation:

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6 3617

Q:

What Australina player was known as 'Fruitfly' amongst the rest of the team

A) Geoff lawson	B) Merv Hughes
C) Mike Veletta	D) Mike Whitney

Answer & Explanation Answer: B) Merv Hughes

Explanation:

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Filed Under: Sports

4 3617

Q:

OSI Reference Model provides a framework for discussing network operations and design

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

It provides a framework for discussing network operations and design

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Subject: Networking
Job Role: Database Administration

0 3616

Q:

Who among the following is called Bird man of India ?

A) Salim Malik	B) Saqlain Musthaffa
C) Iskandhar Meerja	D) Salim Ali

Answer & Explanation Answer: D) Salim Ali

Explanation:

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3 3616

Q:

Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water

A) increases to a great extent	B) increases slightly
C) decreases slightly	D) decreases rapidly

Answer & Explanation Answer: C) decreases slightly

Explanation:

Evaporation causing cooling.Here the evaporation is less. Therefore cooling is less.

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3 3615

Q:

what is crossover rate?

Answer

Crossover rates have to do with the amount of earnings that are generated by two different but similar projects. The crossover rate is the point at which the two projects achieve the same net present value. In terms of investments, calculating a crossover rate between two similar securities can help an investor determine what to buy and what to sell.

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