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Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Identify the part of the electromagnetic spectrum used i (i) radar and (ii) eye surgery. Write their frequency range.

(i) Microwaves, 10⁸ Hz to 10¹¹ Hz (ii) Ulraviolet rays, 7 × 10¹⁴ Hz to 5 × 10¹⁷ Hz. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Welders wear special goggles or face masks with glass windows to protect their eyes from electromagnetic radiations. Name the radiations and write the range of their frequency.

Welders wear special glass goggles or face masks with glass windows to protect their eyes from large amout of ultraviolet rays produced by welding arcs. Frequency range of ultraviolet radition is from 7 × 10¹⁴ Hz to 5 × 10¹⁷ ...

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Identify the part of the electromagnetic spectrum which is produces by bombarding a metal target by high speed electrons.

X-rays. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Name the e.m. waves used for studying crystal structure of solids. What is its frequency range?

X-rays. Frequency range of X-rays is from 10¹⁶ Hz to 10²¹ Hz. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Name the part of electromagnetic spectrum whose wavelenght lies in the range of 10-¹⁰ m. Give its one use.

X-rays region. X-rays are used as a diagnostic tool in medicine. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Name the part of electromagnetic spectrum which is suitable for (i) radar systems used in aircraft navigation. (ii) treatment of cancer tumours.

(i) Infrared rays. (ii) Microwaves. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Which part of the electromegnetic spectrum has the largest penetration power?

Y-rays. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

Why are microwaves considered suitable for radar system used in aircraft navigation?

Because their wavelenght is small, hence size of radar antenna will be smaller. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

What is the name given to that part of electromagnetic spectrum which is used in Radar?

Microwaves (or radio waves of extremely short wavelengths). Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

Maninder Singh

Asked: December 23, 2024In: Class 12 Physics

To which part of the electromegnetic spectrum does the wave of frequency (i) 3 × 10¹⁹ Hz, (ii) 5 × 10¹¹ Hz belong?

(i) Infrared rays, (ii) microwaves. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.

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Identify the part of the electromagnetic spectrum used i (i) radar and (ii) eye surgery. Write their frequency range.

Welders wear special goggles or face masks with glass windows to protect their eyes from electromagnetic radiations. Name the radiations and write the range of their frequency.

Identify the part of the electromagnetic spectrum which is produces by bombarding a metal target by high speed electrons.

Name the e.m. waves used for studying crystal structure of solids. What is its frequency range?

Name the part of electromagnetic spectrum whose wavelenght lies in the range of 10-¹⁰ m. Give its one use.

Name the part of electromagnetic spectrum which is suitable for (i) radar systems used in aircraft navigation. (ii) treatment of cancer tumours.

Which part of the electromegnetic spectrum has the largest penetration power?

Why are microwaves considered suitable for radar system used in aircraft navigation?

What is the name given to that part of electromagnetic spectrum which is used in Radar?

To which part of the electromegnetic spectrum does the wave of frequency (i) 3 × 10¹⁹ Hz, (ii) 5 × 10¹¹ Hz belong?

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