MHT-CET PCM 09 — MHT - CET STD 12 Science — Question

Which of the following is not present in baking powder?

In experiment of photoelectric effect, the stopping potential for incident yellow light of wavelength 5890 Å is 4 volt. If the yellow light is replaced by blue light of wavelength 4000 Å, the stopping potential is ____________.

In a closed pipe, the note of fundamental frequency can be produced if the length of the air column is equal to ____________.

____________ is an example of molecule with expanded octet.

Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?

If T (tallness), Y (yellow colour) are dominant, when a plant heterozygous for both traits is selfed, then the ratio of pure homozygous dwarf and green wouJd be ____________.

The c.d.f. of a discrete r.v. X is

X = x	-4	-2	-1	0	2	4	6	8
F(x)	0.2	0.4	0.55	0.6	0.75	0.80	0.95	1

Then P(X ≤ 4|X > -1) = ?

The differential equation representing the family of curves `y^2 = 2d(x + sqrtd)`, where d is a positive parameter, is of ______