International yoga day is celebrated on which day?
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Which of the following quadratic equations has real roots?
Which one of the following does not belong to the group?
The term of office of the Vice-President of India is
Optical fibre works on which of the following principle of light?
___________________ is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field.
The rate of change of linear momentum of a body is proportional to the ___________ acting on it.
Glass is also called ________.