What is reverberation
S ound produced in auditorium or any big hall persists for sometime due t…
Showing posts from May, 2022Show All
X-rays - its production, properties and its uses
X-rays are a part of the electromagnetic spectrum, hence they are nothing but a type o…
A cyclist moved at a speed of xkm/hr for 2 hours. He then increased his speed by 2 km/hr for the next 3 hours. If the total distance covered is 36km, what is his initial speed,?
The distance covered in 2hr with the speed of x km/hr is, = 2x km now the speed is …
Two trains are traveling in the same directions.The first one leaves at 8 AM with a speed of 40km/hr & the second leaves at 11 AM with a speed of 60 km/hr. At what time will the second train catch the first train?
Train 1 Speed - 40km/hr Leaves at 8 AM Train 2 Speed - 60km/hr Leaves at 11 AM Till …
Huygens' Wave Theory, its merits and demerits
What is Huygens' Wave Theory, what are its assumptions let us see tha…
An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity? How long will the object take to come back to the earth? Assume g = 10 m/s²
We can list the data as, height covered or distance covered, s = 500m g = …