In an office, Kavita’ seat is to the South of Chaya’s seat. Priya’s seat is to the East of Chaya’s seat. Mrinal’s seat is to the North of Priya’s seat. If the distance of Mrinal’s seat from Priya’s seat is equal to the distance of Chaya’s seat from Kavita’s seat, in which direction is Mrinal’s seat with respect to Chaya’s seat?
The coefficient of volume expansion of glycerin is 49 × 10-5 K-1. Find the fractional change in its density for a 20°C rise i...
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
Which of the following statement is correct?
I. Value of ‘g’ is higher at poles than equator
II. Weight of an object at moon is 1...
An electric dipole when held at 30 ֯ with respect to a uniform electric field of 103 N/c experience a torque of 12 × 10-26 Nm. C...
Which of the following is caused due to the Newton’s first law of motion?
I. When a motorcar makes a sharp turn at a high speed, we tend to ...
Which of the following optical phenomena CANNOT convert unpolarised light to plane polarised light?
A body of mass 3 kg is acted upon by two perpendicular forces 9 N and 12 N. Find the resultant of two forces and the acceleration of the body.
In AC circuits, AC meters measure –
What is the velocity of light in a diamond if the refractive index of diamond with respect to vacuum is 2.5?
The order of wavelengths for ordinary light is:
