Explanation

Stationary waves do not carry energy with them as it is stationary or does not change position.

Stationary waves do not transfer energy from one place to another. 

Explanation

An s-orbital is spherical with the nucleus at its center,

a p-orbitals is dumbbell-shaped

and four of the five d orbitals are cloverleaf shaped.

Explanation

She lost her home and all her money but she never lost her dignity. 

Dignity means عزت و وقار 

Explanation

Convex lenses are used to treat presbyopia, hypermetropia, and aphakia

hypermetropia, and hyperopia, is a condition of the eye where distant objects are seen clearly but near objects appear blurred.

Explanation

Can you think of someone who might bear a grudge against you?

کیا آپ کسی ایسے شخص کے بارے میں سوچ سکتے ہیں جو آپ کے خلاف بغض رکھتا ہو؟

**

Grudge means بغض یا نفرت a persistent feeling of ill will or resentment resulting from a past insult or injury.

so according to the above sentence "grudge" is the best option for making the meaningful sentence

Explanation

Except at the magnetic pole, the Earth's magnetic field is always horizontal

 the horizontal component of the earth's magnetic field is zero at the magnetic poles.

Hence, Earth's magnetic field always has a horizontal component except at the magnetic poles where it is zero.

Explanation

The air bubble in the water shines due to the phenomenon of total internal reflection

Explanation

Retinene is better known as retinaldehyde or simply retinal

and is fundamental in the transduction of light into visual signals in the photoreceptor level of the retina (known as the visual cycle)

rhodopsin, also called visual purple, pigment-containing sensory protein that converts light into an electrical signal.

Explanation

Copper has a lower resistivity and is a better conductor of electricity than iron.

Sh5-8-2023

Explanation

A certain amount of stress is unavoidable in daily life.

A certain amount of stress means تھوڑی سی مقدار میں تناؤ