Question 1 of 25
Hints left: 3
Q1
The phenomenon where light is absorbed and re-emitted in different directions by particles is known as?
Q2
What is the speed of light in a vacuum?
Q3
The force of gravity on the moon is approximately what fraction of that on Earth?
Q4
The principle stating that the volume of a gas is directly proportional to its temperature at constant pressure is known as?
Q5
The potential energy of an object is due to its?
Q6
The SI unit of power is?
Q7
The force that keeps planets in orbit around the sun is?
Q8
What is the effect of increasing the amplitude of a sound wave?
Q9
In which process does a heavy nucleus split into two smaller nuclei?
Q10
The SI unit of energy is?
Q11
What is the escape velocity from Earth?
Q12
Which quantity is defined as the rate of doing work?
Q13
Which phenomenon explains the blue color of the sky?
Q14
The energy associated with the movement of particles within a substance is known as?
Q15
Which physical law states that the total energy radiated by a black body is proportional to the fourth power of its temperature?
Q16
In optics, what is the term for the bending of light as it passes from one medium to another?
Q17
The angle between the incident ray and the normal is called the ___?
Q18
What is the force that opposes the relative motion of two surfaces in contact?
Q19
Which form of energy is associated with an object’s height?
Q20
Which property of a sound wave is associated with its loudness?
Q21
The rate of flow of electric charge is known as?
Q22
What is the term for the change in state from liquid to gas?
Q23
Which subatomic particle has a negative charge?
Q24
What is the principle behind hydraulic lifts?
Q25
What happens to an object when the net force acting on it is zero?