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rational means it should be in the form of p/q Option 3 which gives us 7+11=18, which can be written in the form of p/q form so, option 3 is right answer.
Cryogenics is the branch of physics that deals with what?
Why does a fountain pen leak on an airplane flying at high altitude?
The electric and magnetic fields of an electromagnetic wave are _____________
Which of the following is the strongest force in nature?
In which direction does torque act?
In a logic gate, the output is 1 only when at least one input is 1. This gate is:
A parallel plate capacitor is half-filled with a dielectric slab (K = 4). What is its effective capacitance, assuming plate separation d?
The wavelength produced by a He-Ne laser corresponds to the transition in:
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
The apparent weight of a person in a lift moving downward with uniform acceleration is: