Microwaves are high-frequency signals in the 300 MHz to 300 GHz range. This is in contrast to radio signals, which are typically broadcast in all directions. Radio signals operate in the 3 Hz to 300 MHz range.
Microwave signals are used for both satellite and ground-based communications.
The western education system was introduced in India by Lord William Bentinck. He is also responsible for a large no of social reforms like the abolition of Sati, infanticide and child marriage.
Consider the following statements about Sikh Gurus: 1. Banda Bahadur was appointed as the military leader of the Sikhs by Guru Tegh Bahadur. 2. Guru Arjan Dev become the Sikh Guru after Guru Ram Das. 3. Guru Arjan Dev gave to Sikhs their own script- Gurumukhi. Which of the statements given is/are correct?
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