Question 1 of 25
Hints left: 3
Q1
The device used to convert mechanical energy into electrical energy is called?
Q2
Which of the following is NOT a scalar quantity?
Q3
The energy required to remove an electron from an atom is known as?
Q4
What type of mirror is used in rear-view mirrors in vehicles?
Q5
The rate of change of velocity of an object is known as?
Q6
What type of image is formed by a convex mirror?
Q7
The temperature at which no more energy can be removed from matter is:
Q8
The principle stating that the total momentum of a closed system remains constant if no external forces act on it is known as?
Q9
Which law of motion states that for every action, there is an equal and opposite reaction?
Q10
The effect of increasing the temperature on the resistance of a metallic conductor is?
Q11
Which of the following particles is electrically neutral?
Q12
The phenomenon where light bends as it passes through different media is known as?
Q13
Which color of light has the shortest wavelength?
Q14
Which model of the atom was proposed by Niels Bohr?
Q15
The energy possessed by an object due to its temperature is called?
Q16
What type of image is formed by a concave lens?
Q17
What is the phenomenon of splitting white light into its constituent colors called?
Q18
What is the temperature at which water boils at standard atmospheric pressure?
Q19
Which particle carries a negative electric charge?
Q20
Which quantity is conserved in a perfectly elastic collision?
Q21
What is the device used to measure electric current?
Q22
In an electric circuit, which component resists the flow of current?
Q23
The energy stored in a stretched or compressed spring is called?
Q24
Which type of lens is thicker at the center than at the edges?
Q25
The efficiency of a machine is always: