Question
Match the following machines with their working
principles: (i) Electric motor -Â (a) Heat energy into mechanical energy (ii) Steam engine -Â (b) Electric energy to light energy (iii) Dynamo -Â Â Â Â Â Â (c) Electrical energy to mechanical energy (iv)Electric Bulb -Â Â Â (d) Mechanical energy into electrical energySolution
Electric motor: Converts electrical energy to mechanical energy. Steam engine: Converts heat energy into mechanical energy. Dynamo: Converts mechanical energy into electrical energy. Electric bulb: Converts electrical energy into light energy.
A, is in which direction with respect to point D?
One day, Neelam leaves her office and walks 30m towards east. She then turned right and walks 30m, and then she again turned right and walks 15m. From t...
G @ H % I # J @ K, then in which direction is K with respect to H?
A man travels 25m towards the east and then turns 90° to his right and travels another 4 m. Finally, he turns right and covers 25 m. In which direct...
Ashish leaves his house at 20 minutes to seven in the morning, reaches Kunal’s house in 25 minutes, they finish their breakfast in another 15 minutes ...
What is the shortest distance between X and the only person, who sits to the north east of X?
Priya walks towards west direction, after covering 12m, she turns right. She then walks 3m and then turns left. She then walks 6m and then turns left. S...
Purab faces towards north. Turning to his right, he walks 25 metres. He then turns to his left and walks 30 metres. Next, he moves 25 metres to his righ...
Six points D, E, F, G, H and I are at different directions and distance from each other. Point E is 7m south of Point I, which is in 6m west of Point F....
Nitin walks 20 km Southwards, then turns right and walks 20 km. he then turns left and walks 20 km. He takes a 60 degree turn rightwards and walks st...
Relevant for Exams:
