Q:

In total internal reflection, the light travel from

A) rarer to denser medium and it occurs with no loss of intensity	B) denser to rarer medium and it occurs with no loss of intensity
C) rarer to denser medium and it occurs with loss of intensity	D) denser to rarer medium and it occurs with loss of intensity

Answer & Explanation Answer: B) denser to rarer medium and it occurs with no loss of intensity

Explanation:

According to wave theories, for Total internal reflection tohappen: Light must travel from denser medium to rarer medium. Angle of incidence should be greater than critical angle. As in case of TIR, the image is perfectly clear, it implies that there has been no loss of intensity.

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Q:

Which of the following is an example of social interaction?

A) Coercion	B) Competition
C) Cooperation	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

All the above given options are the examples of social interaction. In sociology, interactions are of five types.They are :

1) Exchange

2) Competition

3) Cooperation

4) Coercion

5) Conflict

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Q:

In 2015, which of the following banks was the first bank to tie up with Indian Railways to sell rail tickets through their website?

A) ICICI Bank	B) SBI
C) Axis Bank	D) HDFC Bank

Answer & Explanation Answer: A) ICICI Bank

Explanation:

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Q:

Who approved 20 lakh houses for urban poor under the PM Awas Yojna recently?

A) Smriti Irani	B) Arun Jaitley
C) Sushnia Swaraj	D) Shri Venkaiah Naidu

Answer & Explanation Answer: D) Shri Venkaiah Naidu

Explanation:

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Q:

Which of the following never occurs singly in nature?

A) Inertia	B) Momentum
C) Force	D) Velocity

Answer & Explanation Answer: C) Force

Explanation:

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Q:

Which city will host the "Global Aviation Summit" 2019?

A) Hyderabad	B) Mumbai
C) Kolkata	D) Delhi

Answer & Explanation Answer: B) Mumbai

Explanation:

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Q:

When was the first general election held in Independent India?

A) 1948-49	B) 1953-54
C) 1951-52	D) 1947-48

Answer & Explanation Answer: C) 1951-52

Explanation:

The first general election in Independent India was held in 25th October 1951 to 27th March 1952.

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Q:

Computers cannot work without

A) Scanner	B) Internet
C) Mouse	D) CPU

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