'V' Shape River Valley or 'V' আকৃতির নদী উপতকার কি? কীভাবে এটি সৃষ্টি হয়?? মাধমিক ও উচ্চ মাধ্যমিক ছাত্রছাত্রীদের জন্য MADHYMICK & H.S students
Scale B.A B.Sc Practical HS Geography practical GEOGRAPHY PRACTICAL GRADUATION :- SCALE উচ্চমাধ্যমিক ভূগোল প্র্যাক্টিক্যাল স্কেল ucchomadhymick practial Scale
SCALE Written by Firoz Mallick DEFINITION :- The scale is the measure for proportional and true representation of the reduced earth on a paper. The scale expresses the relationship between the size of object on the ground and its image on the map. In terms of measurement made on one to be related in terms of the others. The technically a map scale is the relationship between the distance measured on the map and the corresponding distance on the ground. Actually a map is a model of the real world. CLASSIFICATION OF SCALE Scale is mainly 3 types:- 1. STATEMENT SCALE. 2. GRAPHICAL SCALE. 3. NUMERIC RATIO SCALE. 2.Graphical scale is also 4 types :- (a) Vernier Scale. (b) Linear Scale. (c) Comparative Scale. (d) Diagonal Scale. (a). Vernier Scale is also 2 types :- (i) Simple Vernier Scale. (ii) Double Vernier Scale. (i). SIMPLE VERNIER SCALE :- Simple Vernier Scale is also 2 types:- 1. Direct Vernier Scale. 2. Retrograde. * DOUBLE VE
Comments
Post a Comment