MCQ
An ultrasound equipment works at frequency
- AHigher than $20,000 \ Hz$
- BHigher than $10,000 \ Hz$
- ✓Lower than $20,000 \ Hz$
- DLower than $10,000 \ Hz$
✓
Answer
Correct option: C.
Lower than $20,000 \ Hz$
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
Muscular force is also called $.........$ force.
→The most reactive metal is:
What is the heat produced by burning 1 g of fuel completely known as?
One of the following is not a part of the human female reproductive system. This one is:
How many pairs of Chromosomes are found in nuclei of their cells?
Which of the following fuels has the lowest calorific value?
When a glass rod is rubbed with a piece of silk cloth, then:
Chlorofluorocarbon is used in:
Three candles $X, Y,$ and $Z$ are fixed on a table. A glass chimney is placed over candle $X$, and is rested on wooden blocks in a manner which allows the entrance of oxygen. To candle $Y$, a glass chimney is placed in such a way that it is simply rested on the table. For candle $Z$, a similar arrangement is made along with the placement of a glass plate over the chimney. Candle _____$i$____ bums freely. The flame of candle _____$ii$_____ will flicker off giving smoke, and that of candle _____$iii$_____ will simply go off.
The information in which alternative completes the given statements?
→The information in which alternative completes the given statements?
What is the approximate height of a geostationary satellite$?$
→