Question
In the oscillations of a simple pendulum, the sum of the P.E. and K.E. is
zero
infinite
constant
maximum
Solution
C.
constant
In the oscillations of a simple pendulum, the sum of the P.E. and K.E. is
zero
infinite
constant
maximum
C.
constant
Convert the following temperatures to Kelvin scale
25°C
What is the physical state of water at
100 °C
For any substance, why does the temperature remain constant during the change of state ?
Suggest a method to liquify atmospheric gases.
Convert the following temperatures to Kelvin scale.
35°C
Give reason for the following observations.
Naphthalene balls disappear with time without leaving any solid.
Give reason for the following observations.
We can get the smell of perfume sitting several metres away.
What is the physical state of water at
a) 25°C
b)00C
c)1000C
What is the physical state of water at
0°C
What is the physical state of water at
100°C
Mock Test Series
