Question
Which of the following is a primary consumer in a food
chain?Solution
Primary consumers are herbivores that feed directly on producers (plants).
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments –
Which of the following is/are correct?
1. Displacement current can exist in vacuum
2. Magnetic field can exist without electric f...
Two identical metallic spheres are charged. One has +Q charge, the other –Q charge. They are connected by a conducting wire. After equilibrium:
...When electric current is passed through a wire, the amount of heat produced in a wire depends upon _____.
I. Length
II. Thickness
Which of the following can be beaten into thin sheets?
A gas is compressed at constant temperature. Which of the following will decrease?
Which one of the following crops enriches nitrogen content in the soil?
Which of the following two chemical reactions are involved in the corrosion of the iron metal?
If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this?
A 5 V battery of negligible internal resistance is connected across a 190 V battery and a resistance of 37 Ω as shown in the figure. Find the value of...
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