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3 4 1 3 5 2 7 8 5 3 3 5 7 1 9 6 Sum of the digits that are third from the left and third from the right = 3 + 1 = 4.
The SI unit of Pressure is
For a wave, wavelength divided by the time period equals ________.
Which lens is used in sodium reflector lamp ?
Which state of matter has the highest intermolecular forces?
______ is an important metal to form amalgam.
What is the power of a lens whose focal length is 1 m?
Foucault Experiment is the proof of
If an object is pulled by holding it from both ends, then the force applied on it is called _______.
A rear-view mirror for driving is –
As an air bubble ascends from the bottom of a lake to the surface, what happens to its size?