set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on modern and space physics, sources of energy topic of general science mcq
(a) the signal cannot be amplified for distance communication
(b) the transmitting antenna length is very small to design
(c) the signal has more noise
(d) the transmitting antenna length is very large and impracticable
The correct answers to the above question in:
Answer: (d)
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Question : 1
Match List-I with List-II and select the correct answer using the code given below the lists.
| List I | List II |
| A. Photons | 1. The minimum energy for emission of electron |
| B. Nucleons | 2. Heavy water |
| C. Work function | 3. Packet of energy |
| D. Coolant | 4. Neutrons and Protons |
a) A – 4 ; B – 2 ; C – 3 ; D – 1
b) A – 2 ; B – 1 ; C – 4 ; D – 3
c) A – 3 ; B – 4 ; C – 1 ; D – 2
d) A – 2 ; B – 4 ; C – 1 ; D – 3
Answer »Answer: (c)
A → 3; B → 4; C → 1; D → 2
- Photon is a packet of energy emitted from a source of radiations.
- Nucleons are consist of neutrons and protons.
- The minimum energy required to liberate the electrons from the metal surface, is called work function.
Question : 2
Geothermal energy is
a) energy stored as heat in the earth
b) amount of energy obtained from coal and petroleum inside earth crust.
c) energy of magma inside the earth crust
d) amount of minerals obtained from earth crust
Answer »Answer: (a)
Question : 3
The most familiar form of radiant energy in sunlight that causes tanning and sunburning of human skin, is called
a) visible radiation
b) infrared radiation
c) ultraviolet radiation
d) microwave radiation
Answer »Answer: (c)
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