EASY
UPSC CDS
IMPORTANT
Earn 100

Why is argon gas used along with tungsten wire in an electric bulb?
(a)To increase the life of the bulb
(b)To reduce the consumption of electricity
(c)To make the emitted light colored
(d)To reduce the cost of the bulb

50% studentsanswered this correctly

Important Questions on UPSC CDS (I) Previous Year Paper 2018
EASY
UPSC CDS
IMPORTANT
Which one of the following is the correct relation between the Kelvin temperature () and the Celsius temperature ()?

EASY
UPSC CDS
IMPORTANT
Sound waves cannot travel through a

EASY
UPSC CDS
IMPORTANT
Which one of the following is the value of one nanometer?

MEDIUM
UPSC CDS
IMPORTANT
Consider the following statements :
- There is no net moment on a body which is in equilibrium.
- The momentum of a body is always conserved.
- The kinetic energy of an object is always conserved.
Which of the statements given above is/are correct?

EASY
UPSC CDS
IMPORTANT
Working of safety fuses depends upon
- Magnetic effect of the current
- Chemical effect of the current
- Magnitude of the current
- Heating effect of the current
Select the correct answer using the code given below.

EASY
UPSC CDS
IMPORTANT
Directions :
The question item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below.
Statement I :
By far the most common topographic form in a Karst terrain is the sinkhole.
Statement II :
Topographically, a sinkhole is a depression that varies in depth from less than a meter to a few hundred meters.

MEDIUM
UPSC CDS
IMPORTANT
Directions :
The question item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below.
Statement I :
Incised meanders are formed in the mature stage of a river.
Statement II :
Incised meanders are characterized by rejuvenation and upliftment of land.

EASY
UPSC CDS
IMPORTANT
Directions :
The question item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below.
Statement I :
Portions of glacial troughs may exhibit remarkably flat floors.
Statement II :
The flat floor in a glacial trough is produced by uniform glacial erosion.
