List of top Questions asked in BITSAT

An iron rod of length 2 m and cross-sectional area 50 mm² is stretched by 0.5 mm by hanging a mass of 250 kg. The Young’s modulus of iron is:
A geo-stationary satellite is one which:
A copper sphere cools from 62°C to 50°C in 10 minutes and to 42°C in next 10 minutes. Calculate the temperature of surroundings.
Two wires of same material and same volume have cross-sectional areas A and 2A. If the first wire is elongated by Δ x under force F, the force required to stretch the second wire by the same amount is:
Viscosity is the property of a liquid due to which it:
The radiation emitted by a perfectly black body is proportional to:
A constant torque of 31.4 N-m is exerted on a pivoted wheel. If angular acceleration of wheel is 4 rad s⁻², then the moment of inertia of the wheel is:
If T = 2π √ML³3Yq, then find the dimensions of q. Where T is the time period of a bar of mass M, length L, and Young’s modulus Y.
A man of mass m starts falling towards a planet of mass M and radius R. Inside the planet, which consists of a spherical shell of mass 2M/3 and a point mass M/3 at centre, the change in gravitational force experienced by the man is:
An object experiences a net force and accelerates from rest to its final position in 16 s. How long would the object take to reach the same final position from rest if the object’s mass was four times larger?
The two vectors A and B are drawn from a common point and C = A + B. The angle between A and B is:
A passenger in an open car travelling at 30 m/s throws a ball out over the bonnet. Relative to the car, the initial velocity of the ball is 20 m/s at 60^ to the horizontal. The angle of projection of the ball with respect to the horizontal road will be:
A particle is moving in a straight line with initial velocity and uniform acceleration. If the sum of the distance travelled in tᵗᵉˣᵗᵗh and (t+1)ᵗᵉˣᵗᵗh</ˢᵗʳoⁿg> seconds is 100 cm, then its velocity after t seconds, in cm/s, is:
A passenger in an open car travelling at $30\, m / s$ throws a ball out over the bonnet. Relative to the car the initial velocity of the ball is $20 m / s$ at $60^{\circ}$ to the horizontal. The angle of projection of the ball with respect to the horizontal road will be :
Which of the following is not an example of perfectly inelastic collision
The pentose sugar in $DNA$ and $RNA$ has the
Equation of the bisector of the acute angle between lines $3x + 4y + 5 = 0$ and $12x -5y - 7 = 0$ is
The value of $7 \log\left(\frac{16}{15} \right) +5 \log\left(\frac{25}{24}\right) + 3 \log\left(\frac{81}{80}\right) $ is equla to
$\displaystyle\lim_{x\to0} \frac{\sin x}{x}$ is equal to
A bag contains $3$ white and $5$ black balls. One ball is drawn at random. Then the probability that it is white is:
The length of the latus rectum of the parabola $169\left[(x-1)^{2}+(y-3)^{2}\right]=(5 x-12 y+ 17) ^{2}$ is:
If $2 i + j - k$ and $i -4 j +\lambda k$ are perpendicular to each other, then $\lambda$ is equal to:
The well known urinary antiseptic urotropine is formed when formaldehyde reacts with
An ideal refrigerator has a freezer at a temperature of $-13^{\circ} C$. The coefficient of performance of the engine is $5$. The temperature of the air (to which heat is rejected) will be
Natural length of a spring is $60 \,cm$ and its spring constant is $4000 \,N / m$. A mass of $20\, kg$ is hung from it. The extension produced in the spring is $\left(\right.$ take $\left.g=9.8 \,m / s ^{2}\right)$ :