List of top Questions asked in BITSAT- 2009

If the equilibrium constant of the reaction 2HI H₂ + I₂ is 0.25, then the equilibrium constant for the reaction H₂ + I₂ 2HI would be
The value of x is maximum for
Beryllium resembles much with :
Which one of the following ions has the highest value of ionic radius?
Which of the following two are isostructural ?
For the reaction : N₂ + 3H₂ 2NH₃. Which one of the following is correct regarding Δ H:
One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The Δ E for this process is (R = 2 cal mol⁻¹ K⁻¹):
The truth table given below corresponds to the logic gate arrayc|c|c A & B & X
0 & 0 & 1
1 & 0 & 0
0 & 1 & 0
1 & 1 & 0 array
Nuclear energy released in fission since binding energy per nucleon is
A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. If an a.c. source of 200 volt, 100 Hz is connected across the coil, the current in the coil will be
A plano-convex lens of focal length 30 cm has its plane surface silvered. An object is placed 40 cm from the lens on the convex side. The distance of the image from the lens is
The instantaneous current from an a.c. source is i = 6\sin314t. What is the rms value of the current?
In case of a forced vibration, the resonance curve becomes very sharp when the
A pendulum bob carries a +ve charge +q. A positive charge +q is held at the point of support. Then the time period of the bob is (where L = length of pendulum, gₑₓtₑff = effective value of g):
Two tuning forks A and B sounded together give 6 beats per second. When at resonance tube closed at one end, the two forks give resonance when the air columns are 24 cm and 25 cm respectively. Calculate the frequencies of forks.
An electron has an initial velocity in a direction different from that of an electric field, the path of the electron is
If on combining two charged bodies, the current does not flow then
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of 600 Joule/sec. Find the temperature difference if K = 200 J m⁻¹K⁻¹.
A liquid is flowing through a non-sectional tube with its axis horizontal. If two points X and Y on the axis of tube have sectional area 2.0 cm² and 25 mm² respectively then find the flow velocity at Y when the flow velocity at X is 10 m/s.
The rotation of the earth having radius R about its axis speeds upto a value such that a man at latitude angle 60^ feels weightless. The duration of the day in such case will be:
A metallic rod breaks when strain produced is 0.2%. The Young’s modulus of the material of the rod is 7×10⁹ N m⁻². What should be its area of cross-section to support a load of 10⁴ N?
A uniform cube of side a and mass m rests on a rough horizontal table. A horizontal force F is applied normal to one of the faces at a point directly above the centre of the face, at a height 3a/4 above the base. The minimum value of F for which the cube begins to topple on an edge is (assume the cube does not slide): \includegraphics[width=0.5\linewidth]8.png
Given that A + B = R and A² + B² = R². The angle between A and B is:
In the relation P = (α Z)/(β) e⁻ᵏθ, P is pressure, Z is distance, k is Boltzmann constant and θ is the temperature. The dimensional formula of β will be:
The type of bonds present in sulphuric anhydride are -