Questions

∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

The "Red Shirts" movement was led by?

World War II started in the year?

Rate of work done is _______.

_________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole.

Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.

Due to an acceleration of 4 m/s2 the velocity of a body increases from 10 m/s to 30 m/s in a certain period. Find the displacement (in m) of the body in that period.

Through which does light travel best?