MHT-CET PCB 08 — MHT - CET STD 12 Science — Question

Two long parallel wires, separated by a distance R have equal current I flowing in each of them. The magnetic field of one exerts a force F on the other. The distance R is increased to 4R and the current in each wire is reduced from I to I/4. What is the force between them now?

The behaviour of some desert animals to burrow into the sand to hide and escape from the heat is a type of ______.

What happens during the course of sewage decomposition?

Assertion (A): RBCs help in the transport of respiratory gases.

Reason (R): The cytoplasm of RBCs contains the respiratory pigment Haemoglobin.

Identify the correct set of antiretroviral drugs for AIDS.

If the p. d. across a capacitor is increased from 10 V to 30 V, then the energy stored with the capacitor ____________.

Two sources of light 0.5 mm apart are placed at a distance of 2.4 m and wavelength of light is 5000 Å. The phase difference between the two light waves interfering on the screen at a point at a distance 3 mm from central bright band is ____________.

Which of the following plant produces its own pesticide and has adverse effects on Monarch butterfly populations that are not the original target of the pesticide?