JEE Main 2023 Physics question

The amplitude of 15 sin(1000t) is modulated by 10 sin(4t) signal. The amplitude modulated signal contains frequency(ies) of A. 500 Hz B. 2 Hz C. 250 Hz D. 498 Hz E. 502 Hz Choose the correct answer from the options given below :

• (A)B only
• (B)A and B only
• (C)A, D and E onlyCorrect
• (D)A only