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ATQ, 11/4 = 77/ x ⇒ 11x = 77 × 4 ⇒ x = 7 × 4 ⇒ x = 28 ∴ The value of x is 28.
Which of the following phenomena establishes the transverse nature of light waves?
The functioning of a quartz crystal in a watch is based on which principle?
________ are the elements of group 18.
In an atom, which particles are responsible for chemical bonding?
Which of the following is the ultimate source of energy?
A pond of water appears less deep due to –
Which of the following correctly describes the nature of electric field lines?
The Pointing vector of electromagnetic waves has the same dimensions as that of:
A sphere of radius 1m encloses a charge of 10μC. Another charge of −5μC is placed inside the sphere. The net electric flux would be :
The pitch of a sound is primarily determined by which of the following?
