इंद्रधनुष
iandradhanush
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paravartan, poorn antarik paravartan tatha apavartan dvara varn vikshepan ka sabase achchha udaharan indradhanush hai. barasat ke mausam mean jab pani ki booande soory par p dati hai tab soory ki kiranoan ka vikshepan hi iandradhanush ke suandar rangoan ka karan banata hai. akash mean sandhya ke samay poorv disha mean tatha prat:kal pashchim disha mean, varsha ke pashchath lal, narangi, pila, hara, asamani, nila, tatha baiangani rangoan ka ek vishalakay vrittakar vakr kabhi-kabhi dikhaee deta hai. yah iandradhanush kahalata hai.
prakar
indradhanush do prakar ke hote hai jo is prakar haian:-
- prathamik indradhanush
- dvitiyak indradhanush
prathamik indradhanush
jab varsha ki booandoan par apatit hone vali soory ki kiranoan ka do bar apavartan v ek bar paravartan hota hai, to prathamik indradhanush ka nirman hota hai. prathamik indradhanush mean lal rang bahar ki or aur baiangani rang andar ki or hota hai. isamean andar vali baiangani kiran aankh par 40°8' tatha bahar vali lal kiran aankh par 42°8' ka kon banati hai.
dvitiyak indradhanush
jab varsha ki booandoan par apatit hone vali soory ki kiranoan ka do bar apavartan v do bar paravartan hota hai, to dvitiyak indradhanush ka nirman hota hai. isamean bahar ki or baiangani rang evan andar ki or lal rang hota hai. bahar vali kiran aankh par 54°52' ka kon tatha andar vali kiran 50°8' ka kon banati hai. dvitiyak indradhanush prathamik indradhanush ki apeksha kuchh dhuandhala dikhalaee p data hai.
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tika tippani aur sandarbh
sanbandhit lekh