Question 1 of 25
Hints left: 3
Q1
The energy required to raise the temperature of a substance by one degree Celsius is called?
Q2
The principle stating that the volume of a gas is directly proportional to its absolute temperature at constant pressure is known as?
Q3
The power of a lens is measured in?
Q4
What kind of wave is light?
Q5
What is the process of converting a solid directly into a gas called?
Q6
The force required to change the velocity of an object is called?
Q7
What is the value of acceleration due to gravity on Earth’s surface?
Q8
The reflection of sound that is heard after the original sound is called:
Q9
The phenomenon where the frequency of a wave changes due to the relative motion of the source and observer is known as?
Q10
In which type of lens does light converge at a point?
Q11
Which material is commonly used to make the filament of light bulbs?
Q12
The potential difference between two points in an electric circuit is measured in?
Q13
Who formulated the laws of motion?
Q14
Which force holds the nucleus of an atom together?
Q15
What is the unit of power in the SI system?
Q16
Which of the following is NOT a renewable source of energy?
Q17
Who discovered the law of universal gravitation?
Q18
What happens to the resistance of a conductor as its temperature increases?
Q19
Which physical quantity is the rate of change of displacement?
Q20
Which law explains the phenomenon of buoyancy?
Q21
The force exerted by the Earth on an object is known as?
Q22
Which element is most commonly used in making semiconductors?
Q23
What is the study of sound waves called?
Q24
What type of mirror is used in a car's rearview mirror?
Q25
Which of the following is an example of a scalar quantity?