Questions

Q:

Workers in leather tanning industries tend to suffer from

A) asthma B) heart diseases
C) skin diseases D) blood diseases
 
Answer & Explanation Answer: C) skin diseases

Explanation:
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Filed Under: General Science
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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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Filed Under: Physics
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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

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Filed Under: Physics
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Q:

The man who presented India’s first-ever Budget ?

A) C Rajgopalachari B) Jawaharlal Nehru
C) Motilal Nehru D) James Wilson
 
Answer & Explanation Answer: D) James Wilson

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Filed Under: Indian Politics
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Q:

Which of the following is not an agency ofUN?

A) World Bank B) International Atomic Energy Agency
C) Universal Postal Union D) None of the above
 
Answer & Explanation Answer: B) International Atomic Energy Agency

Explanation:

International Atomic Energy Agency. The International Atomic Energy Agency (IAEA) is an international organization that seeks to promote the peaceful use of nuclear energy.

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Filed Under: World Organisations
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Q:

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

A) 1 B) 3
C) 31 D) 2
 
Answer & Explanation Answer: A) 1

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Q:

The side BC of the ΔABC is extended to the point D. If ∠ ACD = 112° and ∠B = 3/4 ∠A, then the value of ∠B is

A) 64° B) 48°
C) 46° D) 50°
 
Answer & Explanation Answer: B) 48°

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Q:

4*(-­0.1(5.5 + 8.5)) of 0.5 = ?

A) -2.8 B) -1.68
C) -1.28 D) -0.84
 
Answer & Explanation Answer: A) -2.8

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