The coefficient of friction between two surfaces is μ = 0.8. The tension in the string as shown in the figure is

Select the output Y of the combination of gates shown in figure for inputs

• A = 1, B = 0
• A = 1, B = 1
• A = 0, B = 0

respectively.

If pressure and temperature of an ideal gas are doubled and volume is halved, the number of molecules of gas

In the circuit of figure, treat diode as ideal, current in the 4 Ω resistor is

The minimum number of geostationary satellites required for uninterrupted global coverage is

Maximum kinetic energy of a photoelectron varies with the frequency (f) of the incident radiation as

Glass is

Dissolving 120 g of urea in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is

Hydrolysis of aromatic amide gives

The polydispersity index of the polymer is always

Which of the following do not contain carbon-oxygen double bonds?

Which of the following electrolytic solutions has the least specific conductance?

Which of the following is a polyamide?

The digit in the unit place of 7²⁹¹ is

If the points (-1, 3, 2), (-4, 3, -2) and (5, l, m) lie on a straight line, then l and m are

The maximum area of a rectangle that can be inscribed in a circle of radius 2 units is

Inverse of a diagonal non-singular matrix is

Find the imaginary part of conjugate of

If A is 3 x 4 matrix and B is a matrix such that A ′ B and B ′ A are both defined, then the order of B is.

(Select all correct options.)