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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:

Which space telescope discovered a new dwarf galaxy ‘Bedin 1’ in cosmic neighbourhood?

A) James Webb B) Hubble
C) Spitzer D) Planck
 
Answer & Explanation Answer: B) Hubble

Explanation:
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Filed Under: General Awareness
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Q:

Whose recommendation is mandatory to impeach the President of India from his office before the completion of his/her term?

A) The Prime Minister B) The Speaker of the Lok Sabha
C) The Chief Justice of India D) The two houses of the parliament
 
Answer & Explanation Answer: D) The two houses of the parliament

Explanation:
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Filed Under: Indian Politics
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Q:

Transformer is a device to convert

A) D.C. to A.C. B) Low voltage D.C. into high voltage D.C.
C) Low voltage A.C. into high voltage A.C. D) Mechanical energy into Electrical energy
 
Answer & Explanation Answer: A) D.C. to A.C.

Explanation:
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Filed Under: Physics
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Q:

Which of the following does not contribute to wellness?

A) Tendencies B) Habits
C) Exercise D) Diet
 
Answer & Explanation Answer: A) Tendencies

Explanation:

Tendencies does not contribute to wellness among the given options.

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Filed Under: General Science
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Q:

Who has scored fastest T20I fifty for India in women's cricket?

A) Harmanpreet Kaur B) Mithali Raj
C) Smriti Mandhana D) Anuja Patil
 
Answer & Explanation Answer: C) Smriti Mandhana

Explanation:

Smriti Mandhana has scored fastest T20I fifty for India in women's cricket in just 24 balls.

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Filed Under: Sports
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Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A state of emotional or intellectual separation

A) Euphoria B) Ecstasy
C) Alienation D) Communion
 
Answer & Explanation Answer: C) Alienation

Explanation:
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Filed Under: English
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Q:

Pick up the most effective word from the given words to fill in the blanks to make the sentence meaningfully complete.

While on a routine flight, the aircraft was hit by a missile and ______ into flames.

A) Fired B) Burst
C) Caught D) Engulfed
 
Answer & Explanation Answer: B) Burst

Explanation:

‘Burst’ is break open or apart suddenly and violently, especially as a result of an impact or internal pressure.So Burst is the most appropriate word.

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Filed Under: English
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