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Chemistry Class 12

Colligative properties

Why does adding salt lower the freezing point of water?

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Asked on 01/11/2025
277 views
1 answers 50 votes
Physics Class 9

Work done concept

If I push a wall with all my strength and it doesn't move, am I doing work?

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Asked on 01/11/2025
318 views
1 answers 50 votes
Physics Class 12

Transformers

Why is electricity transmitted at high voltage using transformers?

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

Osmosis in life

Why do plant roots absorb water via osmosis?

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Asked on 01/11/2025
285 views
1 answers 50 votes
Physics Class 9

Power in real life

Two people run up the same staircase. One reaches in 5 seconds, the other in 10 seconds. Who does more work?

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Asked on 01/11/2025
218 views
1 answers 50 votes
Physics Class 12

AC vs DC

Why do we use AC for power transmission instead of DC?

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

Reverse osmosis

How does RO water purification work?

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Asked on 01/11/2025
241 views
1 answers 50 votes
Physics Class 9

Momentum in collisions

Why does a small bullet cause more damage than a large stone thrown slowly?

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Asked on 01/11/2025
277 views
1 answers 50 votes
Physics Class 12

Resonance

What is resonance in LCR circuits?

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

Azeotropes

What are azeotropes and why can't they be separated by distillation?

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Asked on 01/11/2025
245 views
1 answers 50 votes
Physics Class 10

Ohm's law

Why does a bulb glow brighter when connected directly to a battery than when connected via a resistor?

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Asked on 01/11/2025
220 views
2 answers 50 votes
Physics Class 12

Wavefronts

What's the difference between plane, spherical, and cylindrical wavefronts?

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

Real-life

Why do we feel dehydrated after drinking alcohol?

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Asked on 01/11/2025
286 views
1 answers 50 votes
Physics Class 10

Series vs parallel circuits

Why are household circuits wired in parallel, not series?

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Asked on 01/11/2025
436 views
1 answers 50 votes
Physics Class 12

Young's Double Slit Experiment

How does YDSE prove the wave nature of light?

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Asked on 01/11/2025
228 views
1 answers 50 votes

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