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