Questions

Q:

A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?

A) Diffused reflection B) Total internal reflection
C) Lateral inversion D) Refraction
 
Answer & Explanation Answer: C) Lateral inversion

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Q:

What is the heat generated (in J) in a heating element of resistance 1000 Ω when a current of 0.1 A passes through it for 25 seconds?

A) 250 B) 2500
C) 125 D) 1250
 
Answer & Explanation Answer: A) 250

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Q:

UDP is a

A) connection ­ oriented protocol B) connectionless protocol
C) user-­defined protocol D) security protocol
 
Answer & Explanation Answer: B) connectionless protocol

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Filed Under: Computer
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Q:

Which statement about Ultrabook computers is false?

A) Utrabooks are equipped with SSD drives for fast start-up B) Ultrabooks do not offer HDMI video output ports
C) Ultrabooks typically weigh less than 3 pounds D) Ultrabooks have the fastest optical drives
 
Answer & Explanation Answer: D) Ultrabooks have the fastest optical drives

Explanation:

Ultrabooks have the fastest optical drives is the false statement in the given options about Ultrabook computers.

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Q:

Who discovered X-Ray?

A) Wilhelm Rontgen B) William Lee
C) X Rollswick D) I Thompson
 
Answer & Explanation Answer: A) Wilhelm Rontgen

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Q:

Which of the following prize is given for literary work?

A) Arjuna Award B) Ashoka Chakra
C) Vyas Samman D) Gita Chopra Award
 
Answer & Explanation Answer: C) Vyas Samman

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Q:

Highest Civilian Honour received by Dilip Kumar is

A) Padma Shri B) Padma Bhushan
C) Padma Vibhushan D) Bharat Ratna
 
Answer & Explanation Answer: C) Padma Vibhushan

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Q:

The ratio of the ages of man and his wife is 4:3. After 4 years, the ration will be 9:7. If at the time of marriage, the ratio was 5:3, how many years agowere they married?

A) 12 B) 24
C) 5 D) 8
 
Answer & Explanation Answer: A) 12

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