BLC Classes

25/12/2022

31/03/2022

Which one is not a fundamental physical quatilty-
(a) Temperature
(b) Mass
(c) pressure
(d) Time

02/01/2022

Lightning is a process of discharging of charge:
(a) yes
(b) no

02/01/2022

Resistivity of a material depend on temperature:
(a) yes
(b) no

24/12/2021

While charging a battery EMF is greater than terminal potential:
(a) yes
(b) no

17/12/2021

The smallest charge is at electrons or at quarks?

16/12/2021

Lenz law is based on conservation of energy:
(a) yes
(b) no

12/12/2021

An object is running 10m/s in front of a plane mirror,speed of image is:
(a) 20m/s
(b) 10m/s
(c) 15m/s
(d) none

10/12/2021

If a body is released from one end of tunnel passing through center of earth how much time it takes to reach other end of tunnel:
(a) 12 hours
(b) 24 hours
(c) depends on mass of body
(d) none

09/12/2021

Changing electric field produces changing magnetic field:
(a) yes
(b) no

09/12/2021

Only accelerated charge particles can generate electromagnetic wave:
(a) yes
(b) no

09/12/2021

Image formed by plane mirror is:
(a) real
(b) virtual
(c) depends on position
(d) none