The speed of light in media `M_1` and `M_2` are `1.5 xx 10^8 m//s and 2.0 xx 10^8 m//s` respectively. A ray of light enters from medium `M_1` to `M_2` at an incidence angle `i`. If the ray suffers total internal reflection, the value of `i` is.

The speed of light in media M_(1) and M_(2) are 1.5xx10^(8) m/s and 2.0xx10^(8) m/s respectively. A ray of light enters from medium M_(1) and M_(2) at an incidence angle i. If the ray suffers total internal reflection, the value of i is

The speed of light in media M_(1) and M_(2) are 1.5 xx 10^(8) and 2 xx 10^(8) ms^(-1) respectively. A ray travels from medium M_(1) to the medium M_(2) with an angle of incidence theta . The ray suffers total internal reflection. Then the value of the angle of incidence theta is

The velocities of light in two different media are 2xx10^(8) m/s and 2.5xx10^(8) m/s respectively. The critical angle for these media is

The velocities of light in two different media are 2* 10^8 m/s and 2.5 * 10^8 m/s respectively.The critical angle for these media is

The velocities of light in ice and diamond are 2.3 xx 10^(8)m//s and 1.25 xx 10^(8) m//s respectively. The R.I. of diamond with respect to ice is

The speed of light in water and diamond is 2.25 xx 10^(8) m//s and 1.25 xx 10^(8) m//s respectively. What is the refractive index of : water w.r.t. diamond?

The speed of light in water and diamond is 2.25 xx 10^(8) m//s and 1.25 xx 10^(8) m//s respectively. What is the refractive index of : diamond w.r.t. water?