List of practice Questions

In a Carnot engine, efficiency is dependent on ________?
What is the value of n when \( t_n = \frac{n(n+6)}{n+4} \) and \( t_n = 5 \)?
If \(x + z = 2y\) and \(y = \frac{\pi}{4}\), what is \( \tan x \cdot \tan y \cdot \tan z \)?
Find the value of \( Z^2 \) if \( Z = \left( 1 + \frac{1}{i} \right) \).
Find the resistance required to be connected to a galvanometer of resistance \(100 \, \Omega\) with a full scale deflection of 1mA into a voltmeter of range 1V.
Brewster's angle should lie between?
The ratio of the angular speed of the minute hand to the second hand of a watch is?
Number of degrees of freedom for the monoatomic gas molecule is?
After a collision, two particles move together, then the collision is?
Which of the following statement is true?
What is the maximum wavelength to excite a hydrogen atom?
How can we decrease the effective capacitance of a parallel plate capacitor?
\( M^0 L T^{-1} \) is the dimension of ___________?
Relation between the drift velocity and an electric field is ----?
A body of mass 0.8kg moves with velocity \( v = 2x^2 + 2 \, \text{m/s} \). What is the work done during its motion from \( x = 0 \) to \( x = 2 \, \text{m} \)?
A solid sphere, hollow sphere, and solid cylinder start sliding from an inclined plane without rolling. Then the ratio of time taken by them to reach the ground is?
A liquid of density \( d \) is moving down in a vessel of height \( h \) with an acceleration \( a<g \). Then the pressure at the bottom is?
De Broglie wavelength of a quantum photon having energy \( E \)?
The fundamental frequency of a string of length \( l \) is \( n \). The string is cut into 3 parts \( l_1, l_2, \) and \( l_3 \), each having fundamental frequency \( n_1, n_2, n_3 \). Then, what is the relationship between \( n_1, n_2, n_3 \)?
Tension of a rope when a man of mass \( m \) climbs up or down with an acceleration \( a<g \)?
Which of the following has the highest \( K_b \) value?
What technique is used to separate chloroform from aniline?
What is the IUPAC name of phenyl isopentylether?
The disease is caused by a deficiency of riboflavin.
In which of the following cases does manganese have a +7 oxidation state?