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

A toroid has a core (non-ferromagnetic) of inner radius 25 cm and outer radius 26 cm, around which 2,000 turns of a wire are wound. If the current in the wire is 10 A, the magnetic field inside the core of the toroid will be ______

The glomerular capillaries filter out its contents due to ____________.

For a uniformly charged plane sheet, the variation of electric field (E) with distance (d) is correctly shown graphically in graph.a.
  b.  c.   d.

Which of the following is the dimensional formula for electric polarisation?

Light waves from two coherent sources arrive at two points on a screen with a path difference of zero and λ/2. The ratio of the intensities at the points is ______

In angiosperms, the development of male gametophytes takes place from ______

Which of the following is the CORRECT difference between genetic drift and natural selection?

An electromagnetic wave of wavelength '`lambda`' is incident on a photosensitive surface of negligible work function. If the photoelectrons emitted from this surface have the de-Broglie wavelength '`lambda_1`' then ____________.

The radius of a soap bubble is blown up to double its value under isothermal conditions. If 'r' be the initial radius of the bubble, and T be the surface tension, then energy spent in doubling the radius is ______