Free Physics10 Practice Test - IAS 

Question 1

Match List I with List II and choose the correct answer from the codes given below the lists. 

A. A -2  B -1  C -4  D -5
B. A -3  B -4  C -5  D -1
C. A -2  B -3  C -1  D -5
D. A -4  B -2  C -5  D -3

SOLUTION

Solution : A

Option:(a)

Question 2

Match List I with List II and choose the correct answer from the codes given below the lists. 

A. A -1  B -2  C -3  D -4
B. A -3  B -2  C -4  D -1
C. A -3  B -4  C -1  D -2
D. A -4  B -1  C -3  D -2

SOLUTION

Solution : C

Option:(c)

Question 3

For reproducing sound, a CD (Compact Disc) audio player uses a

A. quartz crystal
B. titanium needle
C. laser beam
D. barium titanate ceramic

SOLUTION

Solution : C

Option:(c)

Question 4

The memory of a computer is commonly expressed in terms of kilobytes or megabytes. A byte is made up of

A. eight binary digits
B. eight decimal digits
C. two binary digits
D. two decimal digits

SOLUTION

Solution : A

Option:(a)

Question 5

A 'black hole' is a body in space which does not allow any radiation to come out. This property is due to its  

A. very small size
B. very large size
C. very high density
D. very low size

SOLUTION

Solution : C

Question 6

A noise level of 100 decibel would correspond to

A. Just audible sound
B. Ordinary conversation
C. Sound from a noisy street
D. Noise from a machine shop

SOLUTION

Solution : D

Option:(d)

Question 7

Consider the following statements
1.If a person look at a coin which is in a bucket of water, the coin will appear to be closer than it really is.
2.If a person under water looks at a coin above the water surface, the coin will appear to be at a higher level than it really is.
Which of the above statements is/are correct?

A. 1 and 2
B. 1 alone
C. 2 alone
D. Neither 1 nor 2

SOLUTION

Solution : A

Option:(a)

Question 8

For which one of the following is capillarity not the reason?

A. Blotting of ink
B. Rising of underground water
C. Spread of water drop on a cotton cloth
D. Rising of water from the roots of a plant to its foliage

SOLUTION

Solution : B

Option:(b)

Question 9

Consider the following statements regarding a motor car battery
1.The voltage is usually 12 V.
2.Electrolyte used is hydrochloric acid
3.Electrodes are lead and copper.
4.Capacity is expressed in ampere-hour.
Which of the above statements are correct?

A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1 and 4

SOLUTION

Solution : D

Option:(d)

Question 10

Consider the following statements An ordinary light bulb has a rather short life because the
1.filament wire is not uniform.
2.bulb cannot be evacuated completely.
3.wires supporting the filament melt at high temperatures.
Which of the above statements are correct?

A. 1 and 3
B. 2 and 3
C. 1 and 2
D. 1, 2 and 3

SOLUTION

Solution : B

Option: (b)