How far from the centre of a storm is an observer who hears a thunder clap 2s after the lightning flash?
The speed of sound in air is 330ms-1. How far from the centre of a storm is an observer who hears a thunder clap 2s after the lightning flash? (Neglect the time taken by light to travel to the observer) A. 1320m B. 660m C. 600m D. 330m E. 165m Correct Answer: Option D...The distance between two successive crests of a water is 1m. lf a particle on the surface of the water makes two complete vertical oscillations in 1 second. Calculate the speed of the wave
A. 0.5 ms-1 B. 1.0 ms-1 C. 2.0ms-1 D. 3.0ms-1 E. 4.0ms-1 Correct Answer: Option C – 2.0ms-1
A string of length 1.0 m vibrates in 10 loops. If the total mass of the string is 1.0 x 10−³ kg and the tension in it is 10N, calculate the frequency of the vibration.
A. 50Hz B. 100Hz C. 250Hz D. 400Hz E. 500Hz Correct Answer: Option A – 50Hz
The walls and ceilings of many standard auditoria are covered with perforated pads to?
A. increase the intensity of sound waves B. increase the loudness of sound waves C. reduce the effect of reverberations of sound waves D. increase the interference effect of sound waves E. decrease the frequency of sound waves. Correct Answer: Option C – reduce...Products
-
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Co-Ownership Structures and Land Acquisition Methods in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Rights in Community Land and Fundamental Land Concepts in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Customary Land Control and the Origins of Nigeria's Land Use Act
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Land Ownership Principles and Transaction Laws in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.