MHT CET Maths Model Test 05 — MHT - CET STD 12 Science — Question

In the sonometer experiment, the string of length 'L' under tension vibrates in the second overtone between the two bridges. The amplitude of vibration is maximum at ______

Twenty meters of wire is available for fencing off a flowerbed in the form of a circular sector. Then the maximum area (in sq. m) of the flower-bed, is ______

Which of the following is the main site of erythropoiesis in adults?

Which among the following amino acids has the lowest molecular mass?

A random variable X bas the following probability distribution:

X = x	0	1	2	3
P(X = x)	2a	3a	4a	a

The value of P (X > 0) is

The de Broglie wavelength associated with photon is, ____________.

If a million tiny droplets of water of the same radius coalesce into one larger drop, then the ratio of the surface energy of the large drop to the total surface energy of all the droplets will be ____________.

After a fire in a forest, the pioneer stage during secondary succession is ______.

Heat energy is incident on the surface at the rate of 2000 J/min. If coefficient of absorption is 0.8 and coefficient of reflection is 0.1 then heat energy transmitted by the surface in 10 minutes is ____________.