Easy Science Class 9 Level 14

What is the frequency range of ultrasound?

Ultrasound का frequency range कैसा होता है?

Show answer and explanation

Correct Answer

A. 20000 Hz से अधिक / More than 20000 Hz

Explanation

Step 1: Identify the concept: this is sound frequency range. Step 2: Sound above human hearing range that is more than 20000 Hz is called ultrasound. Step 3: Remember ultra means above human hearing.

Step 1: concept पहचानें: यह sound frequency range है। Step 2: Human hearing से ऊपर यानी 20000 Hz से अधिक frequency वाली sound ultrasound कहलाती है। Step 3: Ultra means above human hearing याद रखें।

PNG GD SVG HTML Font

Related Questions

58 Easy Science Class 10 Level 1

Which gas is generally released when an acid reacts with a metal?

अम्ल और धातु की अभिक्रिया से सामान्यतः कौन-सी गैस निकलती है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

57 Easy Science Class 10 Level 1

Biomagnification is related to what?

जैव आवर्धन का संबंध किससे है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

56 Easy Science Class 10 Level 1

What is the main function of decomposers?

अपघटक का मुख्य कार्य क्या है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

55 Easy Science Class 10 Level 1

Who are producers in a food chain?

खाद्य श्रृंखला में उत्पादक कौन होते हैं?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

54 Easy Science Class 10 Level 1

The ozone layer mainly protects the Earth from what?

ओजोन परत पृथ्वी को मुख्य रूप से किससे बचाती है?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.

53 Easy Science Class 10 Level 1

Coal and petroleum are what type of resources?

कोयला और पेट्रोलियम किस प्रकार के संसाधन हैं?

Answer and explanation locked 🔒

Tap once to confirm. On the next tap, login will open for the answer.