Daily NEET MCQ- March 17, 2022 - NEET MCQ

Fringe width is given as:

β = Dλ/d

As the screen is moved closer to the two slits, the distance denoted by D decreases and so fringe width β increase.

Fringe width is expressed as:

β = Dλ/d.

Since the wavelength are related as shown ➔ λG < λY < λO, we can say that 

➔ βG < βY < βO.

We know that ΔG₀ = – RT lnK_c, where ΔG₀ is the standard Gibbs free energy, R is universal gas constant, T is the temperature and K_C is equilibrium constant; substituting ΔG₀ as -2502 J/mol, we get -2502 J/mol = -8.314J mol^–1K^–1 × T ln2 = 2502 J/mol = T = 2502/2.502 = 100 k.

When Gibbs free energy is positive, the reaction that occurs is nonspontaneous and a reaction occurs backward that is the products are converted into reactants. Simply the reverse reaction could occur.

Stomata is present both on abaxial and adaxial epidermis. Mesophyll is undifferentiated. Vascular bundles are seen in veins and mid-rib and are surrounded by thick walled bundle sheath. Most of the cells are parenchyma cells.

Buliform cells that help in the curling of leaves are present in monocot leaf. Epidermis covers the entire plant and protects the plant from external damage. Vascular bundles in monocot stem are neither radial nor conjoint. In a monocot stem pericycle is absent.

Pith in monocot stem is made of rigid sclerenchymatous cells. Also, the hypodermis and large number of vascular bundles that are scattered are surrounded by sclerenchymatous cells.

Hypodermis along with the pith of a monocot stem is made of sclerenchymatous cells. Also, several numbers of scattered vascular bundles are surrounded by sclerenchymatous cells.

There are more than one vascular bundles present in a monocot stem. The vascular bundles are of closed type. They are scattered. They are surrounded by sclerenchymatous bundle sheaths.

Bernoulli’s equation can be used for non-viscous, incompressible and steady laminar flow.