A simple magnifying glass is used to view an object. At w...
A simple magnifying glass is used to view an object. At what distance from the lens must the object be placed so that an image 5 times the size of the object is produced 20cm from the lens?
2cm
4cm
15cm
25cm
100cm
Correct answer is B
No explanation has been provided for this answer.
A device that converts mechanical energy into electrical energy is ...
In the diagram above, the neutral point is at ...
Which of the following is a scalar quantity? ...
Which of the following statements is correct about volatile liquids? They have ...
Total internal reflection occurs when light moves from? ...
The effect of a particle in a fluid attaining its terminal velocity is that the ...
The equilibrium position of objects in any field corresponds to situation of ...