Question
A radioactive nucleus containing 128 nucleons emits a beta particle
A radioactive nucleus containing 128 nucleons emits a β-particle. After β-emission the number of nucleons present in the nucleus will be: (a)…
Resource archive
Archives: Questions
Browse learning resources, explanations and study material.
Latest resources
Open any card to continue learning.
Question
A force F moves a load from A to C as shown in the figure below
A force ‘F’ moves a load from A to C as shown in the figure below. For the calculation of the work…
Question
A door lock is opened by turning the lever handle of length 0.2 m
A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1…
Question
When a bell fixed on a cycle rings, then the energy conversion that takes place is
When a bell fixed on a cycle rings, then the energy conversion that takes place is: (a) gravitational potential energy to sound…
Question
The diagram below shows a cardboard on which iron filings are kept
The diagram below shows a cardboard on which iron filings are kept. A wire bent in the form of a loop is…
Question
State the principle of calorimetry
(a) State the principle of calorimetry. (b) Name the material used for making a calorimeter. (c) Write one characteristic property of the…
Question
Calculate the total amount of heat energy required to melt 200 g of ice at 0°C to water at 100°C
Calculate the total amount of heat energy required to melt 200 g of ice at 0°C to water at 100°C. (Specific latent…
Question
Find the value of current I drawn from the cell
Find the value of current I drawn from the cell. (a) Calculate the current I. (b) Calculate the terminal voltage.
Question
Which nuclear radiation will travel undeviated in an electric field
(a) Which nuclear radiation will travel undeviated in an electric field? (b) How can one stop the radiations escaping from a nuclear…
Question
Define specific resistance
(a) Define specific resistance. (b) What happens to the specific resistance of a conductor if its length is doubled? (c) Name a…