Questions

Q:

With reference to gravity, what is G called?

A) Gravitational constant B) Gravitational attraction
C) Gravitational force D) Acceleration due to gravity
 
Answer & Explanation Answer: A) Gravitational constant

Explanation:
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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:

What is the unit of the physical quantity "Capacitance"?

A) weber B) farad
C) tesla D) ohm
 
Answer & Explanation Answer: B) farad

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Q:

Azadirachata indica is the scientific name of

A) Neem B) Teak
C) Silver Oak D) Tulsi
 
Answer & Explanation Answer: A) Neem

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Q:

Which of the following represents the most complex trophic level?

A) Community B) Population
C) Ecosystem D) Species
 
Answer & Explanation Answer: C) Ecosystem

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Q:

The chemical that is used to ripen mangoes is

A) Calcium sulphide B) Calcium carbide
C) Calcium carbonate D) Calcium chloride
 
Answer & Explanation Answer: B) Calcium carbide

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Q:

"Smart Money" term is used for

A) Credit Card B) Internet Banking
C) eBanking D) Cash with Public
 
Answer & Explanation Answer: A) Credit Card

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Q:

In which year was the First Five Year Plan launched in India?

A) 1921 B) 1931
C) 1941 D) 1951
 
Answer & Explanation Answer: D) 1951

Explanation:
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