Energy Conversation

Total Questions: 10

1 - Nuclear energy emits due to -----:
A ) Flow of electron
B ) Radioactivity ✅
C ) Potential difference
D ) None of these

2 - Marie Curie invented ----?
A ) Atomic theory
B ) Relativity
C ) X-rays
D ) Radioactivity ✅

3 - Nuclear energy when expanded converts:
A ) Nuclear into thermal ✅
B ) Chemical into heat
C ) Proton into neutrons
D ) None of these

4 - A process of breaking down large hydrocarbons into smaller molecules using heat is called ------?
A ) Hydrolysis
B ) Catalytic cracking
C ) Thermal cracking ✅
D ) None of these

5 - A battery converts electrical energy into ----?
A ) Chemical energy ✅
B ) Light energy
C ) Thermal energy
D ) Mechanical energy

6 - Multiple Nuclei Model introduced in which year?
A ) 1930
B ) 1945 ✅
C ) 1956
D ) 1963

7 - Which of the following convert mechanical energy to electrical energy?
A ) AC Generator ✅
B ) DC Motor
C ) Transformer
D ) Battery

8 - Which element is not commonly used as a moderator in nuclear reactors?
A ) Graphite ✅
B ) Plutonium
C ) Thorium
D ) Radium

9 - The process of converting mass into energy in a nuclear reaction is explained by ----:
A ) Einstein's equation ✅
B ) Maxwell's equation
C ) Newton's laws
D ) Bohr's model

10 - Which type of nuclear reaction occurs in start to produce energy?
A ) Nuclear fission
B ) Radioactivity
C ) Nuclear fusion ✅
D ) Beta decay
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