List of top Questions asked in BITSAT

The escape velocity from the surface of a planet is \(v_e\). What will be the escape velocity from a planet whose mass and radius are twice that of the original planet?
A ball is thrown vertically upward with a speed of 49 m/s. How long will it take to return to the thrower’s hand?
The work done by a gas during an isothermal expansion from 2 L to 4 L at a constant temperature, with pressure initially at 2 atm, is: (Use R = 8.314 J/mol·K, T = 300 K).
In a certain code, "CAT" is written as "DBU." How is "DOG" written in that code?
Choose the word most opposite in meaning to "Candid":

Solve for \( x \): 
\( \log_{10}(x^2) = 2 \).

A simple pendulum has a time period of 2 s on Earth's surface. What is its time period at a height equal to the Earth's radius (R)? (Acceleration due to gravity at height h is \( g_h = \frac{g}{(1 + h/R)^2} \)).
What is the IUPAC name of CH$_3$CH(OH)CH$_3$?
The equivalent resistance between points A and B in a circuit with two resistors of 6 \(\Omega\) each connected in parallel is:
Find the derivative of \( y = \sin(x^2) \) with respect to \( x \).
What is the pH of a 0.01 M solution of HCl?
A block of mass 5 kg is placed on a frictionless surface and a force of 20 N is applied horizontally. What is the acceleration of the block?
Pointing to a photograph, a man says, "I have no brothers or sisters, but the father of the person in the photograph is my father’s son." Who is the person in the photograph?
Identify the next number in the series: 2, 6, 12, 20, ?
In a mixture of gases, the average number of degrees of freedom per molecule is 6. If the rms speed of the molecule is \(c\), what is the velocity of sound in the gas?
A source supplies heat to a system at the rate of 1000 W. If the system performs work at a rate of 200 W, what is the rate at which internal energy of the system increases?
The area enclosed between the curve \(y = \log_e(x + e)\) and the coordinate axes is:
A simple pendulum performing small oscillations at a height R above Earth's surface has a time period of \(T_1 = 4\) s. What would be its time period at a point which is at a height \(2R\) from Earth's surface?
The potential of a large liquid drop when eight liquid drops are combined is 20 V. What is the potential of each single drop?
A dust particle of mass 4 × 10⁻¹² mg is suspended in air under the influence of an electric field of 50 N/C directed vertically upwards. How many electrons were removed from the neutral dust particle? (g = 10 m/s²)
If all roses are flowers and some flowers are red, which statement must be true?
Choose the word most nearly opposite in meaning to "benevolent".
What is the pH of a solution with [H\(^+\)] = 10\(^{-3}\) M?
What is the IUPAC name of CH\(_3\)CH\(_2\)OH?
In a series circuit, if the resistance is doubled, what happens to the current?