List of practice Questions

The INCORRECT statement is :

\(R=65±1\ Ω\)
\(l=5±0.1\ mm\)
\(d=10±0.5\ mm\)
Find error in calculation of resistivity.

If $\left( \frac{ 1 - i}{1 + i}\right)^{96} = a + ib $ then (a,b) is

Fill in the blanks. (i) If $x > y$ and $z < 0$, then $-xz$ $-yz$. (ii) If $p > 0$ and $q < 0$, then $p - q$ $p$. (iii) If $-2x + 1 \ge 9$, then $x$ $-4$.

The carrier frequency of a transmitter is provided by a tank circuit of a coil of inductance $ 49\,\mu H$ and a capacitance of $2.5 \,nF$. It is modulated by an audio signal of $12 \,kHz$. The frequency range occupied by the side bands is:

Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct ?

Which of the following are Lewis acids ?

The least positive integer n for which $\left( \frac{1 + i \sqrt{3}}{1 - i \sqrt{3}} \right)^n = 1 $, is :

A body takes $10$ minutes to cool from $60^{\circ}C$ to $50^{\circ}C$. The temperature of surroundings is constant at $25^{\circ}C$. Then, the temperature of the body after next $10$ minutes will be approximately :

What will be the approximate terminal velocity of a rain drop of diameter $ 1.8 ? 10^{-3}\, m$, when density of rain water $\approx 10^3\, kgm^{-3}$ and the co-efficient of viscosity of air $\approx 1.8 ? 10^{-5}\, Nsm^{-2}$ ? (Neglect buoyancy of air).

A cart has mass 2 metric ton and sand of 1 metric ton is inside the cart. Now a force of 10 N is applied on cart and sand starts to leak with rate of 0.5 kg/s. What is the velocity of cart when total sand has come out from the cart ?

Buffer capacity is also referred to as:-

One mg of Lycopodium contains an average of-

Suspensions of starch in water exhibit:-

The sweet taste and odour of fennel is due to:-

The systems that follows, Weibull Mathematical Model used to describe drug release kinetics are:-

Tropane alkaloids are biosynthesized from ______ amino acid.

Very weak bases having pKa < 5:-

What is the concentration of paracetamol in a 0.1 N sodium hydroxide solution, whose absorption in a 1 cm cell at its max, 257 nm, was found to be 0.825? The A (1%, 1 cm) in the IP monograph of paracetamol is given as 715 at 257 nm

What software programme is used to determine the Verloop steric parameter in QSAR?

Which of the following are obligatory intracellular parasites?
(P) Virus
(Q) Fungus
(R) Mycobacterium
(S) Rickettsia

Dipole-induced dipoles are also known as:-

In a free-flowing powder, the bulk density and tapped density would be close in value, therefore, the Carr index would be:-

Select the correct statement.

The hexose monophosphate pathway produces distinctively two useful products. Identify these products with the ratio in which they are produced.