Questions

Q:

Where is the Great Barrier Reef located ?

A) Pacific Ocean B) Indian Ocean
C) Atlantic Ocean D) Arctic Ocean
 
Answer & Explanation Answer: A) Pacific Ocean

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Q:

The value of universal gravitation constant (G) was determined by

A) Henry Cavendish B) Antoine L Lavoisier
C) Isaac Newton D) John Dalton
 
Answer & Explanation Answer: A) Henry Cavendish

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Q:

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.

A) half B) double
C) one-fourth D) four-times
 
Answer & Explanation Answer: A) half

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Q:

A  photon  of  X-ray  has  energy  of  1  keV.  A photon of visible radiation has energy of 3 eV.  In  this  context,  which  one  of  the following statements is not correct?

A) The wavelength of X-ray photon is less than the wavelength of visible radiation photon. B) Both    the    photons    have    different energies.
C) The  speeds  of  both  the  photons  in vacuum are different D) The   frequency   of   X-ray   photon   is higher  than  the  frequency  of  visible radiation photon.
 
Answer & Explanation Answer: C) The  speeds  of  both  the  photons  in vacuum are different

Explanation:

The speed of all the electromagnetic radiation are always   same   and   equal   to   the numerical value 3 x 10^8m/sec.

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Q:

An object is placed on the principal axis of a cortex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed?

A) 20 cm B) 15 cm
C) 30 cm D) 10 cm
 
Answer & Explanation Answer: B) 15 cm

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Q:

Land covers about ______ of the earth's surface.

A) 20% B) 30%
C) 35% D) 40%
 
Answer & Explanation Answer: B) 30%

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Q:

Which of these monuments enshrines the tomb containing the relics of St. Francis Xavier?

A) Basilica of Bom Jesus B) Se Cathedral
C) Monte Hill D) St. Alex Church
 
Answer & Explanation Answer: A) Basilica of Bom Jesus

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Q:

_________ can give the Union parliament power to make laws on matters included in the State list.

A) Ministry of Defence B) Prime Minister's Office
C) Securities and Exchange Board of India D) Rajya Sabha
 
Answer & Explanation Answer: D) Rajya Sabha

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