Explanation

• The hottest planet in our solar system is Venus.

Additional information:

• The black planet is called Venus.
• The second-closest planet to the Sun is Venus.
• Slowest Rotating Planet
• No moon
• Similar in size to Earth

Last verified on 30-03-2026

Explanation

• Neptune is the farthest planet.
• It was visited by the spacecraft Voyager 2.
• It's is a very windy place.
• It has six rings.
• It has 14 moons.

Last verified on 24-06-2026

Explanation

• The weight of a body on Earth is the gravitational force acting on it.
• Since the body already weighs 51 N on the surface of Earth, its weight on Earth remains 51 N.
• Formula: Weight = Mass × Gravity (W = mg).

Last verified on 24-06-2026

Explanation

• 1 hp = 746 W
• 1 hp = 0.746 kW
• 1 kW = 1.34 hp
• 1 W = 0.00134 hp
• Standard unit system: SI unit of power is Watt

Last verified on 23-06-2026

Explanation

• The efficiency of a diesel engine is about 30–40%.
• It means only this percentage of fuel energy is converted into useful work.
• The remaining energy is lost as heat, friction, and exhaust gases.
• Diesel engines are generally more efficient than petrol engines.

Last verified on 23-06-2026