The speed of light in two transparent media A and B are 2 × 108 m/sec and 2.25 × 108 m/sec. The refractive index of medium A with respect to medium B is equal to:
For a journey of 800 km, a truck covers the first 300 km at a speed of 50 km/h. At what speed should it cover the remaining distance so that its average speed is 60 km/h?
India's Bhavna Jat, Raveena, and Munita Prajapati won the bronze medal with a combined effort in the team category of the women's 20 km race walk event at the World Race Walking Team Championships 2022 held in
________.
In this question, a statement is given followed by two conclusions. Which of the two conclusions are correct with respect to the statement?
Statement:
T = S ≥ N = A ≤ U > P < Q
Conclusions:
I. S > Q
II. A ≤ T
In the given chemical reaction, which of the following chemical species acts as an oxidising agent and as a reducing agent, respectively?
2Al + Fe2O3 → Al2O3 + 2Fe