Questions

Q:

Which phenomena shows the particle nature of light?

A) Diffraction B) Interference
C) Photoelectric effect D) Polarisation
 
Answer & Explanation Answer: C) Photoelectric effect

Explanation:
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1 1848
Q:

During _____________ motion of an object along a straight line, the velocity remains constant with time.

A) linear B) translational
C) uniform D) equilibrium
 
Answer & Explanation Answer: C) uniform

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2 1848
Q:

Who proposed Continental drift theory?

A) Alfred Wegener B) Alfred Worwick
C) Alfred Hanks D) Alfred Mane
 
Answer & Explanation Answer: A) Alfred Wegener

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0 1848
Q:

In the triangle ABC,∠BAC = 50° and the bisectors of ∠ABC and ∠ACB meets at P. What is the value (in degrees) of ∠BPC?

A) 100 B) 105
C) 115 D) 125
 
Answer & Explanation Answer: C) 115

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1 1848
Q:

A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.

A) Six months B) Ten months
C) Twelve Months D) Twenty four months
 
Answer & Explanation Answer: C) Twelve Months

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Filed Under: Chemistry
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0 1848
Q:

The polar ice-caps are made of ____________ water

A) Saline B) Salt
C) Sour D) Fresh
 
Answer & Explanation Answer: D) Fresh

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Q:

What are the main components of Brass Alloy?

A) Copper and Zinc B) Copper and Strontium
C) Copper, Zinc and Nickel D) Copper and Nickel
 
Answer & Explanation Answer: A) Copper and Zinc

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Q:

In this section, each of the following sentences has a blank space and four words are given below it. select the word or group of words you consider most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.

 

Most of the students have forgotten to bring their certificates; they will be _______ by the Principal for this reason.

A) reproached B) abused
C) accused D) reprimanded
 
Answer & Explanation Answer: D) reprimanded

Explanation:

Reprimanded, it means a severe and formal scolding, while reproached means to express disappointment. Since we are talking about the Principal, option-d is more suitable. Abuse means subject t o harmful or improper treatment. Accused is someone charged with a criminal offence.

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