Name the spectral series which appear in the region of electromagnetic spectrum. (a) Visible region (b) UV region (c) Far IR region

(b) 400 nm to 750 nm

Wavelength 10-2m belongs to microwaves. It is used in RADAR.

Wavelength 102m belongs to radio-waves. This is used to broadcast radio programmes to long distances.

(i) Microwave  (ii) γ-rays.

X-ray; used to study crystal structure

I walked about 7-8 kilometres at one time and I think I can walk as far as up to 15 kilometres at a time.

(d) Indonesia consists of 13,677 islands (nearly 14,000) and this country is 5000 miles from Torres strait. 4th largest country in Asia.

(ii)Visible Region

(c) bracket series

(d) Indonesia consists of 13,677 islands (nearly 14,000) and this country is 5000 miles from Torres strait.