Questions

Q:

A periscope works by the principle of

A) Total internal reflection B) Refraction
C) Diffraction D) Reflection & Refraction
 
Answer & Explanation Answer: A) Total internal reflection

Explanation:

A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.

 

 per11526634345.jpg image

 

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye.

 

Hence, A periscope works by the principle of Total internal reflection.

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Filed Under: Physics
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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37 14110
Q:

Missing Slot Covers on a Computer can cause

A) Power Surges B) Incomplete Path of ESD
C) Over Haeat D) EMI
 
Answer & Explanation Answer: C) Over Haeat

Explanation:

The slot covers on a computer reduce the dust build up inside the computer. So the slot covers should be present in proper place.The missing covers can disrupt the airflow design of the case and cause overheating problems.

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27 14092
Q:

Rearrange the parts of the sentence in correct order.

 

P: But our behavior, ‘good’ or ‘bad’, certainly shapes our persona and determines our personality.
Q: If one is helpful, polite and considerate in one’s actions towards fellow-beings, one is known as a kind person.
R: The converse is equally true and a mean, rude and selfish person is regarded as bad.
S: Growing urbanisation and lack of roots in any given place have made us increasingly indifferent to the feelings of others and led us to adopt an apathetic attitude to most things.

A) PQRS B) PSQR
C) SPQR D) SQRP
 
Answer & Explanation Answer: C) SPQR

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Select the synonym of

sheath

A) weapon B) hide
C) encourage D) coat
 
Answer & Explanation Answer: D) coat

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

 

The Centre should revisit (their) draft and incorporate the inputs of the report submitted by the standing committee and an expert panel.

A) its B) it’s
C) these D) No improvement
 
Answer & Explanation Answer: A) its

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Rearrange the parts of the sentence in correct order.

We are told that its

P-Public Distribution System
Q-creating a functional
R-sole purpose is the noble goal of

A) QRP B) RQP
C) PRQ D) PQR
 
Answer & Explanation Answer: B) RQP

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 14082
Q:

The BEST definition of an event is?

A) An occurrence where a performance threshold has been exceeded and an agreed Service Level has already been impacted B) An occurrence that is significant for the management of the IT infrastructure or delivery of services
C) A known system defect that generates multiple incident reports D) A planned meeting of customers and IT staff to announce a new service or improvement program
 
Answer & Explanation Answer: B) An occurrence that is significant for the management of the IT infrastructure or delivery of services

Explanation:
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Filed Under: ITIL Certification

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Q:

In known elements, the maximum number is of

A) Metals B) Non Metals
C) Metalloids D) None of these
 
Answer & Explanation Answer: A) Metals

Explanation:
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Filed Under: Chemistry

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