Collection of verified questions for Sthool Padarthon Ke Gun under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
When a ship enters the sea from a river -
A weightless balloon is filled with 200 grams of water. Its weight in water will be -
What fraction of an iceberg floating in the ocean remains above the sea surface?
A needle sinks in water, whereas a ship made of iron floats on water because -
It is easier to swim in the sea than in a river because -
A piece of ice is floating in a glass of water. When the ice melts, what will be the effect on the water level? It will -
Assertion (A): When a ship enters the sea from a river, it rises a little. Reason (R): The density of sea water is greater than that of river water. Which of the following is correct in the context of the statements above?
The reason clouds float in the atmosphere is their low -
Statics is related to which of the following?
Which of the following elements was first produced artificially?
A human body floats on water at 4°C. If the water temperature rises to 100°C, then -
Due to what reason does an iron needle float on the surface of water?
The reason for the separation of cream from milk after churning is -
When we pull a bucket of water up from a well, we feel that the bucket -
The reason for a liquid drop to acquire a spherical shape is -
In severe winter, the surface of a lake freezes, but water at the bottom remains in liquid state. What is the reason for this?
A liquid rises to a greater height in a capillary tube than water. The reason is that -
For which one of the following is capillarity not the only reason?
While travelling by aeroplane, ink starts leaking from a fountain pen due to -
Oil spreads on the surface of water because -
On changing the quantity/amount of a substance, which of the following remains unchanged?
The pressure inside a soap bubble is -
Raindrops are spherical in shape because of -
Consider the following statements - If the phenomenon of capillarity were not there - 1. It would be difficult to use a kerosene lamp 2. One would not be able to use a straw to consume a soft drink 3. The blotting paper would fail to function 4. The big trees that we see around would not have grown on the Earth Which of the statements given above are correct?
Why does an iron needle placed gently on the surface of water float on it?