Destructive interference creates the dark fringes in the interference pattern.

A laminated core should be used to reduce the flow of Eddy current.

Magnetic flux is a vector quantity.

A transformer is used to change the voltage of an alternating current.

The commonly used invisible light for LED is white light

An inertial frame is a frame of reference that has no acceleration.

Which type of lenes are used in telescope?

Two electrons in the same spin cannot occupy the same orbital.

A coordinate bond or dative bond is a special type of covalent bond.

Ammonium ion, NH4+ contains three single covalent bonds and one coordinate bond.

Hydrogen fluoride, HF is a non-polar covalent molecule.

How many maximum number of electrons can M shell contain?

Which one is the strongest among the intermolecular forces?

Which is the bond angle of H-N-H in ammonia molecule?

Which of the following molecule is an expanded valence shell molecule?

Which bond has the strongest bond strength?

Iron rusting is an endothermic and spontaneous reaction.

Standard enthalpy change is measured at 273K and 760 mmHg.

If the energy absorbed in bond breaking is more than the energy given out in bond making, the reaction is endothermic.