MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Ball bearings are used in bicycles, cars etc. because:

50% studentsanswered this correctly

Important Questions on Physics

EASY
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 195
The end element of every natural radioactive element is :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 196
On which of the following specific resistance of a conducting wire depends ?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 197
A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallelplate capacitor of capacitance C2 is made using two aluminium plates with same plate separation and all the four plates are of same area. If ρg and ρa are respectively the electrical resistivities of gold and aluminium then which one of the following relations is correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 198
The formation of a heavy nucleus by the combination of two lighter nuclei is :
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 199
A photon of X-ray has energy of 1keV. A photon of visible radiation has energy of 3eV. In this context, which one of the following statements is not correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 200
Hydrogen bomb is based on the principle of:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 201
Which types of waves are utilized in the night visionary equipment?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Lucent's General Science>Chapter 1 - Physics>Objective Questions>Q 202
A Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this?
I. Dispersion
II. Refraction
III.Internal reflection
Select the correct answer using the codes given below;