3 MARKS: 1) DISTINGUISH BETWEEN FUNDAMENTAL UNITS AND DERIVED UNITS. 2) WHAT ARE THE TWO TYPES OF COLLISION? EXPLAIN THEM. 3) STATE NEWTONS FIRST LAW OF MOTION.<br
1. Draw a circuit diagram of OR gate.
2. What is a logic gate?
3. What types of charge-carriers are there in a n-type semi conductor?
The following questions are for a quick revision of the chapter “Gravitation” for CBSE Class 9. There are many other questions which can be asked from the portion allotted for SA1, but will mainly based on these concepts. The questions are based on the bare essential concepts; the minimum level of learning expected from the [...]