MHT CET biology Model Test 01 — MHT - CET STD 12 Science — Question

The minimum value of effective capacitance that can be obtained by combining 3 capacitors of capacitances 1 pF, 2 pF and 4 pF is ____________.

At which temperature the speed of sound in hydrogen will be same as that of speed of sound in oxygen at 47° C?

Industrial melanism is one of the best example for ____________.

Which among the following elements has highest ionisation enthalpy and bears a diagonal relationship with aluminium?

A block of mass 'M' is suspended from one end of a spring of force constant 'k'. The other end is rigidly attached to a horizontal platform. The mass oscillates vertically with a time period 'T'. If the mass gets detached from the spring, then the length of the spring will be shortened by (g = acceleration due to gravity).

If a body weighing 40 kg is taken inside the earth to a depth to radius of the earth, then `1/8`th the weight of the body at that point is ______.

The equation of the plane passing through the points (1, –2, 1), (2, –1, –3) and (0, 1, 5) is ______.

Assertion: One can voluntarily change the pattern of breathing.

Reason: The voluntary regulation of the respiration is done by cerebral cortex.