Question
Which of the following is the recently introduced insect
pest in India?Solution
Fall armyworm, Spodoptera frugiperda , is one of the recent invasive insect pests in India.
When electric current is passed through a wire, the amount of heat produced in a wire depends upon _____.
I. Length
II. Thickness
A gas is compressed at constant temperature. Which of the following will decrease?
Shadows are formed when a/an _______ object comes in the path of light.
Which type of glass is used for making chemical apparatus like beakers, flasks etc.?
A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
What is the focal length of a plane mirror?
What happens when sodium reacts with water?
A spring of spring constant 500 N/m is compressed by 5 cm. The potential energy stored is:
Which of the following is a renewable energy source?
Which of the following is used to initiate nuclear fission?
