MEDIUM
8th Foundation
IMPORTANT
Earn 100

Consider the following statements and select the correct option which correctly identifies true (T) and false (F).

(i) A charged object may attract something that is neutral.
(ii) An atom that gains electrons becomes positively charged.
(iii) Charges are only transferred from one body.

  i ii iii
(A) T F T
B F T F
C F F T
D T T F

 

100% studentsanswered this correctly

Important Questions on Some Natural Phenomena

MEDIUM
8th Foundation
IMPORTANT

Two electroscopes one positively charged (X) and the other negatively charged (Y) are connected with a copper wire as shown in figure. Which of the following will happen?

Question Image

 

MEDIUM
8th Foundation
IMPORTANT
Which of the following shows the distribution of charges on a neutral metal sphere when a negatively charged balloon is brought near it? (Assume metal sphere is at insulating stand.)
MEDIUM
8th Foundation
IMPORTANT
Read the given statements and select the correct option.
Statement 1: It is easier to generate static electricity on cold, dry winter days than on warm, humid days.
Statement 2: Moisture present in the air carries away charges from the charged surface.
MEDIUM
8th Foundation
IMPORTANT
Which of the following statements is incorrect?
MEDIUM
8th Foundation
IMPORTANT

Which of the following diagrams X and Y shows charging process by conduction and induction? (Assume stands are insulating.)

Question Image

  X Y
A Induction Conduction
B Conduction Induction
C Induction Induction
D Conduction Conduction

 

EASY
8th Foundation
IMPORTANT
Which of the following is the best thing to do during heavy lightning?
EASY
8th Foundation
IMPORTANT
Electroscope is used
MEDIUM
8th Foundation
IMPORTANT

Which of the following scales is/are not linear in nature?

(i) Decibel
(ii) Richter
(iii) Meter