Timezupp!!

Calculating your scorecard.

-- : --
Are you sure?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Question 1 reset

A monoatomic ideal gas goes through a cyclic process as shown in the figure. The efficiency of this process is

(Select the approximate value)

Question 2 reset

An electrostatic paint sprayer has a metal sphere of diameter 18 cm and at a potential of 25 kV. The charge on the metal sphere is

Question 3 reset

A wall is made of equally thick layers P and Q of different materials. Thermal conductivity of Q is half of that of the P. In the steady state, if the temperature difference across the wall is 24°C, then the temperature difference across the layer ‘P’ is

Question 4 reset
The process of recovering the modulating signal from the modulated carrier wave is called
Question 5 reset

In steady state, a capacitor of capacitance 2 μF is charged to 4 μC, as shown in figure. If the internal resistance of the cell is 0.5 Ω, then the emf of the cell is

Question 6 reset

A uniform thin rod of 120 cm length and 1600 g mass is bent as shown in the figure. The moment of inertia of the bent rod about an axis passing through the point ‘O’ and perpendicular to the plane of the paper is ________ kg m-2.

Question 7 reset

A solid sphere is projected up along an inclined plane of inclination 30° with the horizontal with a speed of 4 ms−1 . If it rolls without slipping, the maximum distance traversed by it is ________

(g = 10 ms-2)

Question 8 reset

Fully filled open water tank has two holes on either sides of its walls. One is a square hole of side x cm at a depth of 2 m from the top, and the other hole is equilateral triangle of side 4 cm at a depth of 6 m from the top. If the rate of flow of water is same from both the holes, then ‘x’ is

Question 9 reset
The drug, which was designed to prevent the interaction of histamine with the receptors present in the stomach wall is
Question 10 reset
20% of a first order reaction was found to be completed at 10 a.m at 11.30 a.m. on the same day, 20% of the reaction was found to be remaining. The half life period in minutes of the reaction is
Question 11 reset

Same amount of electricity is passed through aqueous solutions of AgNO3 and CuSO4. The number of Ag and Cu atoms deposited are x and y respectively. The correct relationship between x and y is

Question 12 reset

The Lewis structure for O3 molecule is given below. The correct formal charges on oxygen atoms labelled 1, 2, 3 are respectively.


Question 13 reset

The increasing order of acidity of the following carboxylic acids is


Question 14 reset

The variance of the following data is

xi
6101418242830
fi24712843


Question 15 reset

1 + cos10° + cos20° + cos30° =

Question 16 reset
The angle between the two circles, each passing through the centre of the other is
Question 17 reset

In ∆ ABC if θ is any angle, then b cos(C + θ) + c cos(B - θ) =

Question 18 reset

What is the figure formed by the pairs of lines given below?

  • 6x2 + 13xy + 6y2 = 0
  • 6x2 + 13xy + 6y2 + 10x + 10y + 4 = 0
Question 19 reset

Question 20 reset

Time Over

Please wait while we are submitting your test

Are you sure you want to finish test early?