Question 1 of 25
Hints left: 3
Q1
The work done is zero when?
Q2
What is the gravitational force between two objects dependent on?
Q3
Which device is used to detect electric current in a circuit?
Q4
What is the SI unit of temperature?
Q5
In a magnetic field, the direction of the force on a current-carrying conductor is given by?
Q6
What happens to the total energy in an isolated system?
Q7
Which phenomenon causes a straw in a glass of water to appear bent?
Q8
In which material does sound travel the fastest?
Q9
The process by which a liquid changes into a solid is called?
Q10
What happens to the resistance of a conductor as its temperature increases?
Q11
The phenomenon where light bends as it passes through different media is known as?
Q12
The power of a lens is measured in?
Q13
The resistance of a conductor to the flow of current is known as?
Q14
In which type of circuit are the components connected one after the other?
Q15
Which color has the highest wavelength in the visible spectrum?
Q16
What is the phenomenon where light splits into different colors when passed through a prism?
Q17
The amount of heat required to convert a unit mass of a substance from solid to liquid at its melting point is called?
Q18
Which is the unit of energy?
Q19
The acceleration of a freely falling object under gravity is?
Q20
Which of the following is NOT a scalar quantity?
Q21
The principle stating that the volume of a gas is directly proportional to its temperature at constant pressure is known as?
Q22
Which lens is used to correct nearsightedness?
Q23
The energy stored in a stretched spring is called?
Q24
The energy required to raise the temperature of a substance by one degree Celsius is known as?
Q25
Which physical quantity is conserved in an elastic collision?