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Q:

What device converts light energy to electrical energy?

A) Photodiode B) Photovoltaic cell
C) Thermocouple D) Heliostats
 
Answer & Explanation Answer: B) Photovoltaic cell

Explanation:

what_device_converts_light_energy_to_electrical_energy1555397376.png image

 

A device which is used to convert light energy directly into electrical energy is called as photovoltaic cell or a solar cell.

 

Heliostats convert light energy into heat energy.

 

A thermocouple is a device for measuring temperature.

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Filed Under: Physics
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Q:

Which one among the following states has the highest density of population

A) Bihar B) Kerala
C) Punjab D) Uttar Pradesh
 
Answer & Explanation Answer: A) Bihar

Explanation:
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Filed Under: Indian Economy

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Q:

Can character data be stored in computer memory? 

A) Yes---a primitive data type is used to store characters B) No---computer memory can only store patterns
C) Yes---characters are stored in special memory D) No---computers can only store numbers
 
Answer & Explanation Answer: A) Yes---a primitive data type is used to store characters

Explanation:
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Filed Under: Computer
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Q:

Who has been named as president for its India and SAARC operations by Tech giant Cisco ?

A) Sameer Garde B) Ravi Prakash
C) Vyas Garg D) Ravi Mittal
 
Answer & Explanation Answer: A) Sameer Garde

Explanation:
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Filed Under: General Awareness
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Q:

Part III of the Constitution of India relates to

A) Fundamental Rights B) Directive Principles of state policy
C) Fundamental Duties D) Citizenship
 
Answer & Explanation Answer: A) Fundamental Rights

Explanation:
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Filed Under: Indian Politics

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Q:

The command to eliminate a table from a database is

A) REMOVE TABLE CUSTOMER; B) UPDATE TABLE CUSTOMER;
C) DELETE TABLE CUSTOMER; D) DROP TABLE CUSTOMER;
 
Answer & Explanation Answer: D) DROP TABLE CUSTOMER;

Explanation:

The SQL DROP TABLE statement is used to remove a table definition and all data, indexes,...

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Filed Under: Database
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Q:

Magma that reaches earth's surface and then solidifies is called

A) granite B) lava
C) quartz D) silicates
 
Answer & Explanation Answer: B) lava

Explanation:
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Filed Under: World Geography

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Q:

Pinaka is a

A) a multi barrel rocket launcher developed by DRDO B) a rocket launcher developed by France
C) a missile developed by DRDO D) a missile imported from Russia
 
Answer & Explanation Answer: A) a multi barrel rocket launcher developed by DRDO

Explanation:

1. Pinaka is a multi barrel rocket launcher developed by the Defence Research and Development Organisation (DRDO) for the Indian Army.

2. The system has a maximum range of 40 km for Mark-I and 75 km for Mark-II, and can fire a salvo of 12 rockets in 44 seconds.

3. The system is mounted on a Tatra truck for mobility.

4. Actually, the meaning of Pinaka is Shiv Dhanush.

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Filed Under: General Awareness
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