172184 A particle, doing simple harmonic motion, at a distance $3 \mathrm{~cm}$ from mean position has acceleration $12 \mathrm{~cm} / \mathrm{s}^{2}$. What is its time period?

172187 Which of the following are the characteristics of electromagnetic waves?
1.They are elastic waves.
2.They can also move in vacuum.
3.They have electric and magnetic components which are mutually perpendicular.
4.They move with a speed equal to 3 lakh meters per second.
Select the correct answer using the code given below :

172349 The equation $y=A \operatorname{sink}(v t-x)$ represents
Where $\left(\mathrm{k}=\frac{2 \pi}{\lambda}\right)$

172203 Wavelength of the wave with $30 \mathrm{MHz}$ frequency is

172184 A particle, doing simple harmonic motion, at a distance $3 \mathrm{~cm}$ from mean position has acceleration $12 \mathrm{~cm} / \mathrm{s}^{2}$. What is its time period?

172187 Which of the following are the characteristics of electromagnetic waves?
1.They are elastic waves.
2.They can also move in vacuum.
3.They have electric and magnetic components which are mutually perpendicular.
4.They move with a speed equal to 3 lakh meters per second.
Select the correct answer using the code given below :

172349 The equation $y=A \operatorname{sink}(v t-x)$ represents
Where $\left(\mathrm{k}=\frac{2 \pi}{\lambda}\right)$

172203 Wavelength of the wave with $30 \mathrm{MHz}$ frequency is

172184 A particle, doing simple harmonic motion, at a distance $3 \mathrm{~cm}$ from mean position has acceleration $12 \mathrm{~cm} / \mathrm{s}^{2}$. What is its time period?

172187 Which of the following are the characteristics of electromagnetic waves?
1.They are elastic waves.
2.They can also move in vacuum.
3.They have electric and magnetic components which are mutually perpendicular.
4.They move with a speed equal to 3 lakh meters per second.
Select the correct answer using the code given below :

172349 The equation $y=A \operatorname{sink}(v t-x)$ represents
Where $\left(\mathrm{k}=\frac{2 \pi}{\lambda}\right)$

172203 Wavelength of the wave with $30 \mathrm{MHz}$ frequency is

172184 A particle, doing simple harmonic motion, at a distance $3 \mathrm{~cm}$ from mean position has acceleration $12 \mathrm{~cm} / \mathrm{s}^{2}$. What is its time period?

172187 Which of the following are the characteristics of electromagnetic waves?
1.They are elastic waves.
2.They can also move in vacuum.
3.They have electric and magnetic components which are mutually perpendicular.
4.They move with a speed equal to 3 lakh meters per second.
Select the correct answer using the code given below :

172349 The equation $y=A \operatorname{sink}(v t-x)$ represents
Where $\left(\mathrm{k}=\frac{2 \pi}{\lambda}\right)$

172203 Wavelength of the wave with $30 \mathrm{MHz}$ frequency is