Pakistan MCQs

A compound sentence contains two independent clauses joined here by 'and.'
Each clause could stand as a complete sentence.

The sentence has one independent clause and one dependent clause introduced by 'because.'
That combination makes it complex.

It contains the dependent clause 'Although it was late' and two independent clauses.
This combination makes it compound-complex.

The complete subject names what the sentence is about.
The entire noun phrase identifies the bridge that needs repair.

Period is the reciprocal of frequency.
T=1/5 = 0.2 s.

For a closed pipe, fundamental wavelength is 4L=3.4 m.
F=340/3.4 = 100 Hz.

Use v=fλ.
λ=12/3 = 4 m.

Electric charge occurs in positive and negative forms.
Like charges repel and unlike charges attract.

Wave speed is v=fλ.
V=8×2.5 = 20 m/s.

Frequency is speed divided by wavelength.
F=340/0.68 = 500 Hz.

Period is total time divided by number of cycles.
30/15 = 2 s.

Frequency is reciprocal of period.
F=1/0.5 = 2 Hz.