Why do we lean forward while climbing up a hill ?3 13068
A rope-dancer holds wither an umbrella or a bamboo stick, while dancing on the rope. Why2 3677
Why dies a man carrying a load on his back lean forward ?2 5648
How is the Leaning Tower of Pisa standing at its position till now ?1 2478
Why dies the liquid not come out of the dropper, unless the rubber id Pressed ?1 2623
Why do we not feel the enormous weight of the atmosphere above our heads ?12 23144
Why dies a cyclist and the cycle fall forward, if he applies the brakes suddenly ?2 3897
Why dies a piece of iron sink in water, while a ship remains floating ?3 5255
When a glass cylinder is filled with water and a piece of thick paper is placed at the mouth and the cylinder is inverted, the paper dies not fall. Why ?2 2907
When water is boiled in a tin and its mouth is closed by a rubber cork, then on pouring cold water over the tin it is crushed. Why ?1 2910
Why does a barometer read higher at Bombay than at Simla ?1 2614
Why a water pump raises water to a greater height at Bombay than at Simla1 2671
When a water pump falls to draw water, a bucket of water poured into it sets it working. Why ?3 3271
Why dies a cricket player lower his hands, while catching the ball ?3 11066
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?
Explain what is density?
Draw a graph between frequency of photon and velocity of photo electron?
Explain what is a positron?
What is Steady State Load & Transient Load?
What is pascal s principle?
What is channel?
Explain the law of machines?
What is geocentric?
moment of inertia of an area is always least with respect to
What is refraction of light?
What is dispension of light?
What is the difference between isolation transformers and step up or step down transformer?
Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?
Why a capacitor is a voltage sensitive device?