EASY
Insurance
IMPORTANT
Earn 100

The photoelectric effect is described as the ejection of electrons from the surface of a metal when _____.
(a)it is heated
(b)it is placed in a strong electric field
(c)electrons of suitable velocity impinge on it
(d)light of suitable wavelength falls on it

50% studentsanswered this correctly

Important Questions on Practice Set
EASY
Insurance
IMPORTANT
X-rays are ____ wave.

EASY
Insurance
IMPORTANT
The shape of the raindrop is spherical due to:

EASY
Insurance
IMPORTANT
Who has been appointed as World Banks new president in 2012?

EASY
Insurance
IMPORTANT
India's first microwave remote sensing satellite recently launched in _____.

EASY
Insurance
IMPORTANT
What is the full form of FDI, which is currently in the news?

EASY
Insurance
IMPORTANT
The Rowlatt Act was passed in_____.

MEDIUM
Insurance
IMPORTANT
Ankur Dhama is associated with which sports?

EASY
Insurance
IMPORTANT
Which weather satellite has been successfully launched by ISRO into Geosynchronous Transfer Orbit?
