Q:

Which technology is used in compact disc or disks?

A) Laser	B) Mechanical
C) Electrical	D) Electro magnetic

Answer & Explanation Answer: A) Laser

Explanation:

Which_technology_is_used_in_compact_disc_or_disks1538026052.jpg image

Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982.

These are actually made to replace floppy disks that were used to store files and programs from the computer.

The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM).ese CD's uses Laser technology.

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5 4430

Q:

Which missile was test fired by the India successfully ?

A) Prithvi II	B) PSLV C 37
C) AGNI - VI	D) Quick reaction surface-to-air short range missile (QR-SAM)

Answer & Explanation Answer: D) Quick reaction surface-to-air short range missile (QR-SAM)

Explanation:

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6 4429

Q:

Antibiotics are mostly obtained from

A) Viruses	B) Fungi
C) Bacteria	D) Angiosperms

Answer & Explanation Answer: B) Fungi

Explanation:

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Q:

What name, taken from a medieval fortress near London , was adopted as the official name of the British Royal family in 1917?

Answer

Windsor

Workspace

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Subject: General Awareness

1 4428

Q:

In a vacuum, all electromagnetic waves have the same

A) Velocity	B) Wavelenth
C) Frequency	D) All the above

Answer & Explanation Answer: A) Velocity

Explanation:

When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.

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Q:

Who discovered Insulin

A) William Harvey	B) Louis Pasteur
C) F.G.Banting	D) Alexander Fleming

Answer & Explanation Answer: D) Alexander Fleming

Explanation:

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Filed Under: Inventions

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Q:

Neutrino has

A) charge +1, mass 1	B) charge 0, mas 0
C) charge -1,mass 1	D) charge 0, mass 1

Answer & Explanation Answer: B) charge 0, mas 0

Explanation:

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Filed Under: Chemistry

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Q:

Kaziranga Wild Life Sanctuary is in the state of :

A) Assam	B) Tamil Nadu
C) Bihar	D) Kerala

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