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प्रश्न
Match the statements in Column A with those in Column B.
| Column A | Column B |
|---|---|
| (a) Spectrum | (i) A device used to prove the recombination of colours of spectrum. |
| (b) 1 cm or 108 Å | (ii) A chemical which glows in invisible U-V spectrum. |
| (c) Newton's colour disc | (iii) An electromagnetic radiation used for relieving pain from swollen joints. |
| (d) Infrared rays | (iv) A band of colours obtained on screen after dispersion. |
| (e) Barium platinocyanide | (v) Range of microwaves. |
जोड़ियाँ मिलाइएँ
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उत्तर
| Column A | Column B |
|---|---|
| (a) Spectrum | (iv) A band of colours obtained on screen after dispersion. |
| (b) 1 cm or 108 Å | (v) Range of microwaves. |
| (c) Newton's colour disc | (i) A device used to prove the recombination of colours of spectrum. |
| (d) Infrared rays | (iii) An electromagnetic radiation used for relieving pain from swollen joints. |
| (e) Barium platinocyanide | (ii) A chemical which glows in invisible U-V spectrum. |
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