Ex 10.1

Chapter 10 Class 12 Vector Algebra
Serial order wise

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Transcript

Ex 10.1, 3 Classify the following as scalars and vectors quantities. (i) time periodScalar : A quantity which has only magnitude, eg : 10 km Vector: A quantity which has a magnitude as well as a direction eg : 10 km towards north Time period eg : 10 seconds has only magnitude i.e. 10 and no direction. So, Time period is a scalar Ex 10.1, 3 Classify the following as scalars and vectors quantities. (ii) distanceScalar : A quantity which has only magnitude, eg : 10 km Vector: A quantity which has a magnitude as well as a direction eg : 10 km towards north Distance, eg : 5 meters has only magnitude 5 and no direction So, Distance is scalar Ex 10.1, 3 Classify the following as scalars and vectors quantities. (iii) forceScalar : A quantity which has only magnitude, eg : 10 km Vector: A quantity which has a magnitude as well as a direction eg : 10 km towards north Example: 5N downward, 5 N downward has a magnitude as well as a direction So, force is a vector Ex 10.1, 3 Classify the following as scalars and vectors quantities. (iv) velocityScalar : A quantity which has only magnitude, eg : 10 km Vector: A quantity which has a magnitude as well as a direction eg : 10 km towards north Eg : 5 m/s east It has a magnitude, i.e. 5 m/s , and also a direction i.e. towards east. So, velocity is a vector Ex 10.1, 3 Classify the following as scalars and vectors quantities. (v) Work doneScalar : A quantity which has only magnitude, eg : 10 km Vector: A quantity which has a magnitude as well as a direction eg : 10 km towards north Work done has only magnitude and no particular direction, Therefore, work done is a scalar.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.