Subject :NSO Class : Class 4
Class : Class 6
A hand blender runs on electricity. When it is switched on, its blades rotate and a sound is also produced as the motor starts. Thus, electrical energy changes into kinetic energy and sound energy.
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Post Your Answer
Subject :NSO Class : Class 4
Ans 15:
Class : Class 8
Ans is C as weight of spring balance should be same. It is not necessary for the height of both the ramps to be same.
Ans 18:
Class : Class 4
C should be the answer because the WEIGHT of the spring balance should be the same in order to test whether or not the length of the ramp affects the Force needed to move the wooden block