The first high court of India was established

Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because 

Which of the following is the product when CH₃CHO is reduced?

What is the work to be done to increase the velocity of a car from 30 km h⁻¹ to 60 km h⁻¹ if the mass of the car is 1500 kg? 

The escape velocity from a planet is 11.2 km/s. What is the minimum kinetic energy per kg needed to escape?

1. 6.3 x 10⁷ J/ Kg

The mass of an object on moon ________ in comparison to the mass on earth.

What is the law of reflection?

A spherical conductor of radius R is surrounded by a concentric spherical shell of radius 2R. The capacitance of this system is:

A stone is dropped from a height of 45 m. How long will it take to reach the ground? (Take g = 9.8 m/s² )

Decibel is used to measure the ___________.

Which type of glass is used for making chemical apparatus like beakers, flasks etc.?