Answer Posted / kriti sharma

It is easy to swim in the sea because it has more buoyant force/upthrust whereas river ha less buoyant force dye to flowing water

mitre gears are same as

552

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heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?

534

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Explain why does sun appear flat during sunrise and sunset?

498

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What is the longest lasting synthetic periodic element?

634

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For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the earth, at what angle will the maximumhorizontal distance be attained?

512

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Who first detected radio waves?

531

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What is frequncy?

582

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I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

1826

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Explain the different parts of the x-ray radiation intensity graph? : quantum physics

570

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Explain the name for the physical constant with a value of 6.62 x 10-27 erg seconds?

511

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Explain qualitatively the phenomenon of quantum tunneling of an electron across a potential barrier? : quantum physics

486

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In which medium does the sound travel fatest?

568

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What is Voltage Dip? why it is required for Generator Sizing?

1968

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Considering the specific heat of aluminum is 0.21, iron is 0.10, and lead is 0.03, which metal will show the largest increase in temperature per calorie added to onegram of that metal?

565

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Why it becomes bitterly cold as soon as the snow starts melting?

1951

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