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The process involved in making soap is

If mass is doubled and velocity is tripled, how will kinetic energy change?  

What are the dimensions of the coefficient of viscosity?

Which of the following particles in motion, having the same kinetic energy, has the shortest wavelength?

A train runs along an unbanked circular track of radius of 10 m at speed of 36 km/h. The mass of the train is 1⁶ kg.

Which of the following is not a nuclear reaction?

A soap bubble expands isothermally and its radius doubles. The work done by surface tension during this expansion is: 

For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:

If a lens forms an image of magnification -2, what is the nature of the image?