The sound heard by a person after the reflection of the sound generated by him is called?
A. reverberation B. resonance C. echo D. audibility Correct Answer: Option C C. echoA telescope is said to be in normal adjustment when the?
A. focal length of the objective is greater than that of the eyepiece B. focal length of the eyepiece is greater than that of the objective C. focal length of the eyepiece is equal to that of the objective D. objective focal point coincides with that of the eyepiece...An object is placed 10cm from a converging lens of focal length 15cm. Calculate the magnification of the image formed?
A. 3.0 B. 1.5 C. 0.6 D. 0.3 Correct Answer: Option A A. 3.0An object is placed at a point X between the focal point F and the optical centre C of a diverging lens. If F is the focal point on the other side of the lens, the image of the object is formed between?
A. F and X B. X and C C. C and F D. F and 2F Correct Answer: Option B B. X and CA to eater to glass to air to water to glass to air. Given that the refractive index for light passing from air to water is 4/3 and air to glass is 3/2, calculate the refractive index of glass relative to water.
A. 0.50 B. 0.67 C. 0.75 D. 1.13 Correct Answer: Option A A. 0.50 Explanation 9nn=3/4×2/3=0.5Products
-
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.