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