MCQ
SONAR is a technique used to ___________ .
- Adetect the submarine inside sea
- Bdetermine the size of blue whale
- Cdetect the impurities present in sea water
- ✓detect the depth of sea bed
✓
Answer
Correct option: D.
detect the depth of sea bed
(d)
detect the depth of sea bed
Explanation:
SONAR (Sound Navigation And Ranging) uses sound waves to map or navigate underwater environments, including measuring the depth of the sea bed, which is one of its primary applications.
detect the depth of sea bed
Explanation:
SONAR (Sound Navigation And Ranging) uses sound waves to map or navigate underwater environments, including measuring the depth of the sea bed, which is one of its primary applications.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The main fuse should be connected in the:
As per the Right Hand Thumb Rule, if you hold the current carrying conductor in your right hand such that the thumb point is in the direction of the current, then which finger/fingers will indicate the direction of magnetic field?
What type of motion is exhibited by a stationary rigid body that begins moving in a straight path when a force is applied in its direction?
Bats detect obstacles in their path by producing:
What will happen to conductance if the conductor's resistance is increased by 4 times?
Equivalent resistance of the circuit is?
In the given diagram, which statement is true?
Match the following:
| Column I | Column II |
| (i) Cathode ray tube in TV | 1.6 V |
| (ii) Household mains | 2.220 V |
| (iii) Door bell | 3. 11,000 V |
${ }_{83} Rn^{222} \longrightarrow{ }_7 Po^x+{ }_{+2}^4 He$
In the above equation the value of $x$ and $y$ are :
→In the above equation the value of $x$ and $y$ are :
A glass block 3 cm thick is placed over a newspaper. Calculate the height through which the image of the newspaper is raised if refractive index of the glass slab is 1.5 :