A simple microscope forms an image twice the size of the object. If the focal length of the lens of the microscope is 20m. How far is the object from the lens?
A. 10m B. 20m C. 30m D. 40m E. 60m Correct Answer: Option C – 30m
A parallel beam of light is to be obtained from the headlamp ofa car. At which of the following positions should the source of light be placed from the pole of its spherical minor?
A. At the focal point B. At the centre of curvature C. Beyond the centre of curvature D. Between the focal point and the pole E. Between the focal point and the center of curvature Correct Answer: Option A – At the focal...
A concave mirror of radius of curvature 20cm has a pin placed at 15cm from its pole. What will be the magnification of the image formed?
A. 4.00 B. 2.00 C. 1.33 D. 1.50 E. 0.25 Correct Answer: Option B – 2.00 Explanation 1/U + 1/V = 1/f f = r/2 = 10cm; 1/15 + 1/v = 1/10 v = 30 = m = v/u = 2
A stone is dropped into the middle of a pool of water. Which of the following statements is/are correct?
I. Spherical waves are set up in the water. II. The water moves outwards to the sides of the pool. III. Energy is transmitted outwards from the centre of disturbance A. I only B. II only C. III only D. I and III only E. II and III only. Correct Answer: Option D...
Which of the following is/are necessary for the production of interference with two wave trains?
I. The sources must be close to each other. II The waves must have the same frequency. III. The waves must have the same amplitude. IV. The waves must travel with the speed of light. A. I, II and IV only B. I, II and III only C. I and II only D. II, III and IV only E....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.