[passes through a point to...] A closed cubical box is completely filled with water and is accelerated horizontally towardsrigh

For Competitive Exams

A closed cubical box is completely filled with water and is accelerated horizontally towards
right with constant acceleration a. The resultant normal force by the water on the top of the box

passes through the centre of the top

passes through a point to the left of the centre

passes through a point to the right of the centre

is zero

Additional Questions

Assertion : The nature of X-ray spectrum is continuous. Reason : X-rays arise due to jumps of electrons from higher orbit to one of the inner orbit in an atom. A. Both, Assertion and Reason are true and the Reason is correct explanation of the Assertion. B. Both, Assertion and Reason are true but the Reason is not correct explanation of the Assertion. C. Assertion is true but the Reason is false. D. Both, Assertion and Reason are false.	Answer
The moment of inertia of a sphere of mass M and radius R about an axis passing through its centre is $\\dfrac{2}{5} MR^2$. The radius of gyration of the sphere about a parallel axis to the above and tangent to the sphere is:	Answer
A gas mixture consists of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is	Answer
A body of mass 6 kg is acted upon by a force which causes a displacement in it given by x=$\\dfrac{t^2}{2}$ metre, where t is the time in second. The work done by the force in 2 seconds is	Answer
Two rods of same length and area of cross-section and Young s moduli Y, and Y2 are joined end to end. The equivalent Young s modulus for the composite rod is	Answer
If a person can throw a stone to maximum height of h metre vertically, then the maximum distance through which it can be thrown horizontally by the same person is	Answer
A thin copper wire of length l increases in length by 1%, when heated from 0°C to 100°C. If a thin copper plate of area (2 l * l) is heated from 0°C to 100°C, the percentage increase in its are would be	Answer
3 mole of hydrogen is mixed with 1 mole of neon. The molar specific heat at constant pressure is	Answer
3. Two conducting rings P and Q of radii r and 2r moving uniformly in opposite directions with centre of mass velocities 2v and v respectively on a conducting surface S. There is a uniform field of magnitude B perpendicular to the plane of the rings. The potential difference between the highest points of the two rings is	Answer
In an electromagnetic wave, the magnetic field is given by $B_y=210^{-7}sin(0.510^3x+1.5*10^{11}t)T.$ The intensity of e.m. wave is about	Answer

Share with Friends