NEET Test 192...

At 30^∘C, the half life for the decomposition of AB₂ is 200 s and is independent of the initial concentration of AB₂. The time required for 80% of the AB₂ to decompose is Given:

log⁡2 = 0.30 log⁡3 = 0.48

Two rods having thermal conductivity in the ratio of 5: 3 and having an equal length and equal cross-section are joined face to face. If the temperature of free-end of the first rod is 100^∘C and the free end of the second rod is 20^∘C, then calculate the temperature of junction:

A series resonance network consisting of a resistor of 30Ω, a capacitor of 2uF and an inductor of 20mH is connected across a sinusoidal supply voltage which has a constant output of 9 volts at all frequencies. Calculate, the resonant frequency, the current at resonance.

Which of the following is a sexually transmitted disease caused by ectoparasite?

A boxer moves his head backward while he receives a punch to the head. This is done to:

In the following reaction

Which two substances are Bronsted base?

Tropical rain forests once covered more than ___ a ___ percent of the Earth surface, now covers not more than ___ b ___ percent:

Guttation differs from transpiration in which aspect?

The correct order of basicity of the following compounds is:

A circular coil of radius R carries a current i. The magnetic field at its center is B. The distance from the center on the axis of the coil where the magnetic field will be  is: