EASY
RRB JE CBT 1
IMPORTANT
Earn 100

The gas usually filled in the electric bulb is
(a)Nitrogen
(b)Hydrogen
(c)Carbon dioxide
(d)Oxygen

50% studentsanswered this correctly

Important Questions on RRB - JE Model Question Paper CBT - I
EASY
RRB JE CBT 1
IMPORTANT
To hear a distinct echo, the minimum distance between the original and reflected sound must be ____________

EASY
RRB JE CBT 1
IMPORTANT
The German chemist who synthesised urea using inorganic compound was _____.

MEDIUM
RRB JE CBT 1
IMPORTANT
What is the percentage of gold in Carat?

MEDIUM
RRB JE CBT 1
IMPORTANT
At what temperature does the Fahrenheit and Celsius scales coincide?

EASY
RRB JE CBT 1
IMPORTANT
Traffic control authorities detect the vehicles crossing speed limit using an instrument called_____.

EASY
RRB JE CBT 1
IMPORTANT
Who invented a system of reading for the blind?

EASY
RRB JE CBT 1
IMPORTANT
The structural and functional unit of nervous tissue is______
