Dulli Chandra Agrawal

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Questions related from Dulli Chandra Agrawal

The 'Hydrobalance" is an improved version of Nicholson's Hydrometer for finding relative density. Is there another device known in the literature?

The author has designed a device known as Hydrobalance published in the American Journal Physics: The hydrobalance

11 November 2018 4,849 0 View

Is there a simple formula for estimating apparent or absolute magnitude of solo stars in terms of its radius, photosphere temperature and distance?

Please see the following publication for details. Apparent and Absolute Magnitudes of Stars: A Simple Formula

04 April 2018 6,273 1 View

Photosynthetic solar constant may be adopted in teaching rate of plant growth, estimating crop yield, solar power going into photosynthesis and so on?

This is a suggestion based on my paper Photosynthetic Solar Constant https://www.researchgate.net/publication/41822989_Photosynthetic_Solar_constant

09 September 2017 3,997 3 View

Half, average & most probable lives of tungsten filament lamps are exactly same. What one can infer from the view of physics, statistics, technology..

Please read 1. Half, average and most probable lives of filament lamps https://www.researchgate.net/publication/301328799_Half_Average_and_most_probable_lives_of_filament_lamps

07 July 2017 6,665 2 View

Tungsten incandescent lamps are designed for wattages such as 6, 60, ...1000.. What are their measured filaments temperatures during operation?

There are various methods to estimate these temperatures theoretically but in the absence of experimental data one cannot check its correctness.

05 May 2017 4,871 13 View

I have proposed in a paper that moment of inertia of a fundamental particle is β(ℏ^2⁄(mc^2 )); β≡Dirac operator. Can someone suggest its application?

This observation is based on analogy. Please see the following two publications. 1. Inertia of fundamental particles on the basis of...

05 May 2017 3,197 4 View