Questions

Q:

Which object converts electricity to light?

A) Solar panels B) Battery
C) Bulb D) All the above
 
Answer & Explanation Answer: C) Bulb

Explanation:

Bulb converts electricity to light whereas solar panel is the device which converts light to electricity.

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Q:

A rocket is launched to travel vertically upward with a constant velocity of 20 m/s. After travelling for 35 seconds, the rocket develops a snag and its fuel supply is cut off. The rocket then travels like a free body. The height achieved by it is

A) 680 m B) 720 m
C) 800 m D) 700 m
 
Answer & Explanation Answer: B) 720 m

Explanation:
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Q:

What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?

 

A) 40   B) 1.6  
C) 80   D) 3.2
 
Answer & Explanation Answer: A) 40  

Explanation:
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Q:

What is the name of world’s first artificial intelligence politician developed by New Zealand?

A) NICK B) PAUL
C) SAM D) TOM
 
Answer & Explanation Answer: C) SAM

Explanation:
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Q:

In which year did Ole Romer measure the speed of light for the first time in the history?

A) 1776 B) 1676
C) 1876 D) 1867
 
Answer & Explanation Answer: B) 1676

Explanation:
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Q:

According to the provisions of the Constitution of India, which one of the following is nota fundamental duty?

A) To respect the National Flag   B) To defend the country
C) To provide education to one’s child D) To promote village and cottage industries
 
Answer & Explanation Answer: D) To promote village and cottage industries

Explanation:

Article 43 also places upon the State the responsibility of promoting cottage industries, and the federal government has, in furtherance of this, established several Boards for the promotion of khadi, handlooms etc., in coordination with the state governments. It is a DPSP.

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Q:

_____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.

A) Mitochondria B) Chloroplast
C) Ribosomes D) Nucleus
 
Answer & Explanation Answer: A) Mitochondria

Explanation:
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Q:

Sleep apnea is related to ___ while sleeping.

A) Walking B) Talking
C) Snoring D) Smiling
 
Answer & Explanation Answer: C) Snoring

Explanation:
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