Guinness MCQs for Khuddam-ul-Hujjaj/ Nazims

1181

Which of the following statement is true about the magnetic field inside a solenoid?

A. It is along the axis of the coil B. It is circular around the wires C. It is zero when current flows through it D. It is strongest at the ends of the solenoid

1182

One-meter-long copper rod is moving with speed 20 m/sec in the magnetic field of strength 0.6 tesla what is the value of induced emf?

A. 12 V B. 19.4 V C. 25 V D. 20.6 V

1183

The inductance of a coil depends on.

A. Number of turns B. Resistance of the wire used C. Type of insulation used on the wire D. Voltage applied to the coil

1184

The direction of induced current is determined by?

A. Ampere's law B. Faraday's law C. Lenz's law D. Ohm's law

1185

When the PN junction is reverse-biased, its reverse current is of the order of:

A. Gigaamperes B. Kiloamperes C. Megaamperes D. Microamperes

1186

The momentum of moving photon is:

A. mc² B. λ / h C. h / λ D. zero

1187

If an electron in the hydrogen atom jumps from second to first orbit, the emitted radiation has a wavelength of?

A. 4/3RH B. 3/4RH C. 4RH D. RH

1188

Black body is an ideal radiator that radiates at all wavelengths:

A. Inconsistently B. Distinctly C. Equally D. Unequally

1189

Mass number A refers to ______.

A. Number of electrons B. Number of nucleons C. Number of neutrons D. Number of protons

1190

λ is a ______ constant:

A. Decay B. Dielectric C. Plank's D. Proportionality

1191

Gamma ray camera can observe radiations from the ______ that are concentrated in the organs.

A. Atoms B. Isotopes C. Nucleons D. Neutrons

1192

A nurse is pushing a wheelchair with an 80kg patient sitting on it. How much work is done by the patient's weight?

A. Half of the work B. Maximum work C. Minimum work D. No work

1193

The escape velocity of a body in the gravitational field of Earth is dependent on:

A. Angle on which it is thrown B. Both mass of the body and the angle at which it is thrown C. Mass of earth D. Mass of the body

1194

Choose the correct sentence.

A. My father was talking to his friend on mobile phone when I fall from the bicycle. B. My father is talking to his friend on mobile phone when I fall from the bicycle. C. My father was talking to his friend on mobile phone when I fell from the bicycle. D. My father was talking to his friend on mobile phone when I am falling from the bicycle.

1195

Choose the correct sentence:

A. She didn't knew about the surprise party. B. She hasn't knew about the surprise party. C. She didn't know about the surprise party. D. She doesn't know about the surprise party.

1196

Punctuate the given sentence correctly. The teacher asked did you complete your homework?

A. The teacher asked, did you complete your homework? B. The teacher asked, "Did you complete your homework?" C. The teacher asked, "did you complete your homework". D. The teacher asked, did you complete your homework.

1197

Punctuate the following sentence correctly.Lets meet at Sarahs house after school

A. Let's meet at Sarah's house after school. B. Let's meet at Sarahs' house after school. C. Lets meet at Sarah's house after school. D. Let's meet, at Sarah's house after school.

1198

He has been working ______ this project for two weeks.

A. At B. By C. To D. On

1199

Identify the ERROR in the sentence: The chef quickly prepared, delicious and it served a meal.

A. Punctuation B. Style C. Vocabulary D. Word order

1200

Which of the following words is a synonym for "meticulous"?

A. Abhorrent B. Heedless C. Incautious D. Precise

Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 60)

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