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BITSAT Mock 1
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Question 1
Three identical spheres, each having a charge q and radius R, are kept in such a way that each touches the other two. Find the magnitude of the electric force on any sphere due to other two.
Question 2
Distance between the centres of two stars is 10a. The masses of these stars are M and 16M and their radii a and 2a respectively. A body of mass m is fixed straight from the surface of the larger star towards the smaller star. What should be its minimum initial speed to reach the surface of the smaller star
Question 3
A block of mass 2 kg rests on a rough horizontal plank, the coefficient of friction between the plank and block is 0.3. If the plank is pulled horizontally with a constant acceleration of 4 m/s2, the distance moved by the block on the plank in 4 second starting from rest (in m) is (take g =10 m/s2);
Question 4
Thirteen resistances each of resistance R ohm are connected in the circuit as shown in the figure below. The effective resistance between A and B is
Question 5
Which of the following MO has two nodal planes perpendicular to each other
Question 6
Which among the following elements have lowest value of IE1
Question 7
If change is energy (ΔE) = 3 × 10–8 J, h = 6.64 × 10–34 J – s and c = 3 × 108 m/s, then wavelength of the light is
Question 8
Which of the following metals is most likely to exhibit photoelectric effect ?
Question 9
The roots of the equation x2 – 2 x + 1 = 0 are-
Question 10
A tower stand at the centre of the circular park. A and B are two points on the boundary of the park such that AB (= a) subtends an angle of 60 ° at the foot of the tower, and the angle of elevation of the top of the tower from A or B is 30 °. The height of the tower is
Question 11
The area of the plane region bounded by the curves x + 2y2 = 0 and x + 3y2 = 1 is equal to
Question 12
The vertex, focus, directrix and length of the latus rectum of the parabola y2 – 4y – 2x – 8 = 0 is
Question 13
The mean of the data set comprising of 16 observations is 16. If one of the observation valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data, is
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May 1JEE & BITSAT