Tea pots are often silver-coated to prevent heat loss by?
A. conduction only B. convention only C. convection and conduction D. radiation only Correct Answer: Option D – radiation only
The change in volume when 450kg of ice is completely melted is? [density of ice = 900 kgm−³; density of water = 100 kgm−³]
A. 0.50m³ B. 0.45m³ C. 0.05m³ D. 4.50m³ Correct Answer: Option C – 0.05m³ Explanation Vol. of ice = M/?D = 450/900 = 0.500m³ vol. of water = M/D” = 450/1000 = 0.450m³ ∴ Difference in vol. = 0.500 – 0.450 =...
When left in a freezer; a bottle full of water cracks on freezing into ice because of the?
A. increase in the volume of water B. contraction of the bottle C. expansion of the bottle D. decrease in the volume of water Correct Answer: Option A = increase in the volume of water
If U is the object distance and V the image distance; which of the following expressions gives the linear magnification produced by a convex lens of focal length f?
A. u/f + f B. u/v +1 C. v/f + 1 D. v/f – 1 Correct Answer: Option D = v/f – 1 Explanation Magnification, M = v/u = v (1/u) And for the Lens formula 1/u + 1/v = 1/f => 1/u = 1/f – 1/v ∴M = V(1/u) = V(1/f – 1/v) = v/f – v/v = v/f –...Products
-
Download Business Administration Project Topic PDF - Effects of Job Stress on Employee’s Performance in Evans Nigeria
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
-
Download Accountancy Project Topic PDF - Effect Of Cost Control On The Profit Of An Organization (A Case Study Viju Milk Industries Nigeria Limited)
Original price was: ₦600.00.₦400.00Current price is: ₦400.00.
-
Download Animal Production Journal Article PDF - Performance of Some Forage Rass Species in the Southern Guinea Savannah Agro-Ecological Zone in Nasarawa State of Nigeria
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
-
Download Conference Paper Article PDF - Video Summarization Based Handout Generation from Video Lectures: A Gesture Recognition Framework
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.
-
Download Conference on Advanced Computer Theory Article PDF - Real-Time Mono Vision Gesture-Based Virtual Keyboard System
Original price was: ₦600.00.₦300.00Current price is: ₦300.00.