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Question

একটি বস্তুকণার ভর 〖10〗^(-24)kg এবং কণাটি 1.8×〖10〗^8 ms^(-1) বেগে গতিশীল থাকলে ঐ অবস্থায় এর ভর হবে-

2×〖10〗^(-24) kg

1.25×〖10〗^(-24) gm

1.25×〖10〗^(-24) kg

1.25×〖10〗^(-20) kg

ANS : 3

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