LIGHTENED TO LIGHT

  LESSON – 18 PHYSICAL DIVISIONS OF INDIA 1.     What are the major physical divisions of our country? The major physical divisions of our country include: a.     The Himalayas b.     The Northern Plains c.      The Peninsular Plateau   2.     Name the three ranges of the Himalayas The three ranges of the Himalayas are: a.     The Greater Himalayas/ Himadri Range b.     The Lesser Himalayas/ Himachal Range c.      The Outer Himalayas/ Shivalik Range   3.     Comment on the importance of the Northern Plains. The importance of the Northern Plains are: a.     The plains support farming as they are very fertile. b.     Road and railways are well developed because of the flat plains. c.      The plains have a huge population. d.     Many big cities are located here.   4.     What are the two divisions of the Central Highlands? The central Highland is in the north of the river Narmada. It consists of the Malwa Plateau in the west and the Chota Na

  Chapter 15 Light   1.    State the characteristics of the image formed by a plane mirror. Ans. (i) Plane mirror forms an erect image. (ii) It forms a virtual image. (iii) Size of the image is same as that of the object. (iv)Image is formed at the same distance behind the mirror as the object stands in front of it. (v) Image formed is a laterally inverted image i.e., right hand side of the object seems to be the left hand side and vice-versa.   2.    What is a virtual image? Give one situation where a virtual image is formed. Ans . The image which cannot be taken on a screen is called virtual image. When some object is placed very close to the concave mirror we don’t get any image on the white screen placed behind the mirror. Such image is called virtual image.   3.    State two differences between a convex and a concave lens.   CONVEX LENS CONCAVE LENS 1.    Convex lens can form both real and virtual images. Concave l

  LESSON 11 CRAFT 1.   What are some of the handicrafts of India? Some of the handicrafts of India are things made from ivory, rosewood, silver, gold and silk, carved sandalwood and brassware toys and trinkets of every shape and colour.   2.   Where is Papanahalli? Papanahalli a village in a remote part of Karnataka lies by the side of wide stretch of water about 100 Km from Bangalore.   3.   How does Gurappa cut the teeth of the comb? Gurappa takes a tiny saw and cuts the teeth of the comb. He cuts the teeth from one side and then turns the comb over and makes a second cut from the other side.   4.   Where can you find these wooden combs? We can find these wooden combs in handicrafts shops in every town and city. They display a wide variety of handicrafts from all over the country.   5.   Why are Gurappa’s fingers marked? Gurappa’s fingers marked because the saw touches his fingers while cutting the teeth of the comb.   6.   Why does Gurappa give th

  Chapter 13 Motion and Time 1.   A simple pendulum takes 32s to complete 20 oscillations, what is the time period of the pendulum? Ans . Time taken to complete 20 oscillations = 32 s Time taken to complete 1 oscillation = 32/20 s = 1.6 s Time period of a pendulum is time taken by it to complete 1 oscillation. Time period of pendulum is 1.6 seconds.   2.   The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train. Ans. Distance = 240 km Time taken = 4 hours Speed =Distance covered/time taken = 240km/4 hammer =60 km/h Speed of train =60 km/h   3.   The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also. Ans . Distance = 57336.0 km – 57321 km =15 km Speed in km/min =15km/20 min = 3/4 km/

  LESSON 4 MORE ON MS POWER POINT 2013   1.   How will you insert tables in a slide? Click on the insert tab, click on the table command, move your mouse pointer to select columns and rows and click the mouse. The tables will appear on the slide.   2.   What is a hyperlink? A hyperlink is a text or a graphic image that you can click when viewing a slide to jump to another slide, presentation, a document or website.   3.   How will you trim an audio file in a presentation? To trim an audio file click on the play back tab under the audio tools. Click on the trim audio command to open the trim audio dialog box.   Click and drag the green handle to the position from where you want to start the audio. Click and drag the red handle to the position to where you want to end the audio. Click on the play button to listen to your selection. And click on ok button.   4.   Write any five tips for delivering an effective presentation. a.    Know your audience well and prepa

  LESSON 5 MORE ABOUT MSWLONGO   1.   Distinguish between pen up and pen down primitives. PENUP primitive is used to lift up the turtle’s pen and move the turtle without drawing a line. PENDOWN primitive is used to put the pen down to start again drawing a line while it moves. The short form of PENUP primitive is PU and PENDOWN primitive is PD.   2.   What is a LOGO procedure? A LOGO procedure is a set of commands given in a particular order. A procedure is a method of doing a particular task.   3.   How would you edit a LOGO procedure? Procedure for editing a procedure is as follows: a.    Click on Edall to edit a procedure b.   The Editor window opens up. Now make changes in the editor window c.    Click on the close button. A dialog box will appear asking you whether you want to save changes d.   Click on yes.   4.   How are procedures useful? The main advantage of writing a procedure is that once we define a procedure, we can use it any number of t

      3 rd UNIT TEST TIME TABLE – CLASS: I TO V   CLASS     15/11/22 Tuesday   16/11/22 Wednesday   17/11/22 Thursday   18/11/22 Friday   19/11/22 Saturday   21/11/22 Monday   22/11/22 Tuesday   23/11/22 Wednesday     1 st     ENGLISH I     ENGLISH-II       EVS       HINDI – I       HINDI II       MATHS       COM & GK     -     2 nd       ENGLISH I     ENGLISH-II       EVS       HINDI – I       HINDI II       MATHS       COM & GK     -     3 rd       ENGLISH I     ENGLISH-II