Class 10th Science Syllabus COURSE STRUCTURE CLASS X First Term: Marks: 90 Units Marks I. Chemical Substances: 33 II. World of living : 21 III. Effects of Current : 29 IV Natural Resources : 07 Total :90 Theme: Materials (30 Periods) Unit: Chemical Substances - Nature and Behavior Chemical reactions: Chemical Equation‚ Balanced chemical equation‚ implications of a balanced chemical equation‚ types of chemical reactions: Combinations‚ decomposition
Premium Chemical reaction Light Refraction
microscope focuses light on a tiny bright spot of the specimen‚ the microscope accumulates light from the well-illuminated specimen in the stage of the microscope. The small objective lens then brings the image of the object into focus within the microscope’s tube‚ and is then magnified by a second lens‚ called an ocular lens or the eyepiece. The specimen in an optical microscope can be rather thick. In contrast‚ unlike the light microscope‚ the electron microscope visualises objects using a thin beam
Premium Electron microscope Electron Microscope
person do not help the society to develop but rather takes it steps backward focusing on the negativity around. B. Covering the real image and real facts about people by focusing on criticism and mindless humor. C. Bassem’s show came as a magnifying lens to reveal both negative and positive aspects about the government and people in authority. 1. Leila Fadel in her article "Egypt’s Jon Stewart Says He Won’t Back down amid Charges" says that Indeed‚ it is a gloomy time in Egypt. The political transition
Premium Political philosophy Satire Politics
Practical 4 Title: To study the magnification of a real image by a convex lens. Objective: To determine the focal length of a convex lens. Apparatus and Materials: 1. Light box 2. Convex lens 3. Plasticine 4. Meter rule 5. Screen 6. Short transparent ruler Setup: 1. Set up the apparatus as shown in Figure 4-1. Figure 4-1 Theory: From the lens equation: Where: p = object distance q = image distance Linear magnification‚ Procedure: 1. The apparatus
Premium Optics Lens
• Total Magnification- is controlled by duplicating the eyepiece power by the target focal point set up. This is usually in 10x mag. 3. Define Resolution. • Resolution- is the briefest separation between two separate focuses in a magnifying lens’ field of perspective that can in any case be recognized as unmistakable substances. 4. What is the function of the diaphragm on the microscope? • The diaphragm reduces the light from under the stage which can improve the image and it controls
Premium Lens Optics
The Microscope Lab Brandy Talley PRCC Biology Lab Online June 13‚ 2013 Purpose: The purpose of this lab is to learn about different types of microscopes that we use today‚ learn the parts of the microscope‚ and how to properly use a microscope by exploring various slides. Materials: *Microscope *Letter “e” slide *Onion root slide *Bacterial capsule slide *Cheek smear slide Lab Notes: 1.What is the difference between a compound
Premium Lens Microscope Optics
Telescopes Hans Lippershey (1570 - September 1619) was a Dutch lens maker. Lippershey is believed to be the first to apply for a patent for his design‚ a few weeks before Jacob Metius (a Dutch instrument maker and optician)‚ and making it available for general use in 1608. The telescope invented by Lippershey was composed of a convex and a concave lens‚ as this construction did not invert the image and had only a magnification of just 3x. Galileo’s telescope improved the original Dutch telescopes
Premium Telescopes Refracting telescope Telescope
convex lens‚ by using the lens equation: 1/f=1/u+1/v * Independent variables: * Screen * lens * Dependent variables: * distance between the source of light and the lens “V” which is “X” value * distance between lens and the screen “ Y value” * Controlled variables: * ruler * screen size * source of light * Hypothesis: When the lens is displaced further away from the light “image” source the focal point is going to get smaller‚ and when the lens is approached
Premium Lens Function Length
Spherical power vi. with the slit in this position‚ the fog is reduced to best acuity. vii. the lens in place is the sphere power of the patient’s lens formula (pt’s final sphere) viii. the slit is rotated 90 degrees. This will fog the patient again viiii. the fog is again reduced to best acuity. The algebraic difference between the power of the lens in place at the end of this operation and the lens power in place at the end of step one is the minus cylinder power (c) Advantages - recommended for
Premium Lens Refraction Eye
parts: Data part 2 After turning the light on‚ what two components allow one to adjust the light intensity of the microscope? Rheostat and the iris What structure holds the slide in place on the stage of the microscope? Spring load clip Which lens is in the light path? 4 x Of the stage adjustment knobs‚ the larger knob / Y-adjustment (on the top) moves the slide in which direction? In which direction does the smaller / X-adjustment knob (on the bottom) move the slide? The top y moves
Premium Optics Lens Telescope