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Event : Time interval (in Seconds) : - घटना : समय अंतराल ( सेकण्ड में ) 1. Period of light wave : 10 –15 प्रकाश तरंग का आवर्तकाल : 10– 15 2. Wink of eye : 10 1 आँख के झपकने में लगा समय : 10 1 3. Time period of a satellite : 10 4 किसी उपग्रह का आवर्तकाल : 10 4 4. Revolution period of the earth : 10 7 पृथ्वी का परिक्रमण काल : 10 7 Which of the above pairs are correctly matched ? - निम्नलिखित जोड़ों पर विचार करें−

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Event : Time interval (in Seconds) : - घटना : समय अंतराल ( सेकण्ड में ) 1. Period of light wave : 10 <sup>–15 </sup>प्रकाश तरंग का आवर्तकाल : 10– <sup>15</sup> 2. Wink of eye : 10 <sup>1 </sup>आँख के झपकने में लगा समय : 10 <sup>1</sup> 3. Time period of a satellite : 10 <sup>4 </sup>किसी उपग्रह का आवर्तकाल : 10 <sup>4</sup> 4. Revolution period of the earth : 10 <sup>7 </sup>पृथ्वी का परिक्रमण काल : 10 <sup>7 </sup> Which of the above pairs are correctly matched ? - निम्नलिखित जोड़ों पर विचार करें−






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