निम्नलिखित प्रश्नों में चार वैकल्पिक वर्तनियाँ दी गई हैं। सही वर्तनी वाले शब्द का चयन कीजिए-
The correct answer is B
Which of the following equations correctly represents the momentum p of a photon of Energy E?
Energy that is produced commercially from coal is called –
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
A decibel is –
Two long parallel conductors are placed 8mm apart from each other carrying a current of 120 Amperes. What will be force per meter length of each one?
An object of mass ‘m’ be made to fall freely from a height ‘h’. At the start the potential energy is _____ and kinetic energy is ______.
...In MRI machine, which one of the following is used?
The shape of our Milky Way galaxy is
________ are the elements of group 18.