Multiple Choice
An ice cube is floating in a glass of water. What happens to the water level when the ice melts?
A) rises
B) falls
C) remains same
D) first rises and then falls
Correct Answer:
Verified
Correct Answer:
Verified
Q15: The hot air balloon rises because it
Q16: Evaporation is the process of changing liquid
Q17: The branch of physics which deals with
Q18: Pascal is the unit for<br>A)pressure<br>B)thrust<br>C)buoyant force<br>D)None of
Q19: The first thermometer was developed by<br>A)Joule<br>B)Fahrenheit<br>C)Galileo<br>D)Watt
Q20: In summer, the clocks<br>A)become slow<br>B)become fast<br>C)gives correct
Q21: It is difficult to walk on ice
Q23: The mercury barometer was invented by<br>A)Celsius<br>B)Fahrenheit<br>C)Torricelli<br>D)Bernoulli
Q24: Heat flows as a result of difference
Q25: Friction between any two objects is due