A radioactive element has a half life of 4 days. The fraction that has decayed in 16 days is?

Similar Questions

Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, t...

In the series a.c circuit shown above, the p.d across the inductor is 8Vr.m.s and that across the re...

Silicon doped with aluminum and germanium doped with arsenic become? ...

Which of the following is NOT directly associated with direct current (DC)? ...

According to the kinetic theory of gases, the collision of the molecules of a gas with the wall of t...

A newly charged 12V accumulator can easily start a car whereas eight new dry cells in series with a ...

How far will a body move in 4 seconds if uniformly accelerated from rest at the rate of 2 ms-2?...

Which of the following radiations cannot be deflected by a magnetic field? ...

A high-resistance voltmeter reads 3.0V when connected across the terminals of a battery on open circ...

A far sighted person cannot see objects that are less than 100cm away. If this person wants to read ...