List of practice Questions

The frequency order of for $γ-rays\ (b), X–rays\ (a), UV–rays\ (c)$:

The width of river is 1 km. The velocity of boat is 5 km/hr. The boat covered the width of river with shortest will possible path in 15 min. Then the velocity of river stream is:

Motion of a particle is given by equation $S=(3t^3+7t^2+14t+8)\ m$, The value of acceleration of the particle at $t=1 \ sec$ is:

According to the Faraday Law of electrolysis, the mass deposited at electrode proportional to:

The cations and anions are arranged in alternate form in:

Which pair have not equal dimensions:

Ethyl benzoate can be prepared from benzoic acid by using:

Maximum frequency of emission is obtained for the transition:

The life span of atomic hydrogen is:

In Friedal craft reaction Toluene can be prepared by:

For given energy, corresponding wavelength will be E=3.03×10^–19Joules(h=6.6×10^–34J.sec., C=3×10⁸m/sec.)

Isoelectronic species are:

Increasing order of electrophilic substitution for following compounds:

Which of the following compound is electron deficient:

1, 3-butadiene has:

The ionic carbide is:

I derive an annual income of Rs. 688.25 from Rs. 10,000 invested partly at 8% p.a. and partly at 5% p.a. simple interest. How much of my money is invested at 5%?

If the gravitational force of earth suddenly disappears, then which of the following is correct?

A worker is paid Rs. 56 for 35 hour week. Upto 40 hours, he is paid at the normal rate and on overtime, 1.5 times the normal. How many hours did he work to get Rs. 88?

For the given reaction, the particle X is: ⁶C₁₁→⁵B₁₁+β⁺+X

X is what percent of $\frac{4}{5}th$ of X?

Among the following find the wrong Statement

A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to:

IF SMOOTH is coded as 135579, ROUGIIas975531 and HARDas9498, then SOFT will be coded as

The distance of the point $'\theta'$ on the ellipse $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$ from a focus is