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Physics Class 11

Black Holes

Why can't even light escape a black hole?

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Asked on 01/11/2025
164 views
1 answers 50 votes
Chemistry Class 12

What is reverse osmosis?

Concept-based question.

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Asked on 01/11/2025
152 views
1 answers 50 votes
Physics Class 11

Kepler's Laws

Why do planets move faster when closer to the Sun?

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Asked on 01/11/2025
161 views
1 answers 50 votes
Chemistry Class 12

State Faraday's first law of electrolysis.

Write the formula with units.

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Asked on 01/11/2025
170 views
1 answers 50 votes
Physics Class 11

Tides

How does the Moon cause ocean tides on Earth?

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Asked on 01/11/2025
167 views
1 answers 50 votes
Chemistry Class 12

Calculate EMF of a cell.

Numerical: (\ce{Zn

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Asked on 01/11/2025
147 views
1 answers 50 votes
Physics Class 11

Pendulum Time Period

Why does a pendulum swing slower on the Moon?

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Asked on 01/11/2025
160 views
1 answers 50 votes
Chemistry Class 12

What are fuel cells?

Explain hydrogen-oxygen fuel cell.

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Asked on 01/11/2025
174 views
1 answers 50 votes
Physics Class 11

Resonance

How can soldiers crossing a bridge cause it to collapse?

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Asked on 01/11/2025
167 views
1 answers 50 votes
Chemistry Class 12

Why is a salt bridge used?

Role in galvanic cells.

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Asked on 01/11/2025
158 views
1 answers 50 votes
Physics Class 11

Sound Waves

Why do we hear thunder after lightning?

uniboardhub
Asked on 01/11/2025
156 views
1 answers 50 votes
Chemistry Class 12

Define rate of reaction.

Conceptual question.

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Asked on 01/11/2025
153 views
1 answers 50 votes
Physics Class 11

Doppler Effect

Why does an ambulance siren sound different when passing by?

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Asked on 01/11/2025
162 views
1 answers 50 votes
Chemistry Class 12

What is activation energy?

Use an analogy.

uniboardhub
Asked on 01/11/2025
159 views
1 answers 50 votes
Physics Class 11

Beats

Why do two musical notes slightly off in frequency create beats?

uniboardhub
Asked on 01/11/2025
189 views
1 answers 50 votes

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