Related Questions

In a rechargeable cell what kind of energy is stored within the cell?
A Electrical energy
B Potential energy
C Chemical energy
D Kinetic energy
Energy currency শব্দটি কোন কোষ অঙ্গাণুর সাথে সম্পর্কিত?
A গলজি বডি
B মাইটোকন্ড্রিয়ন
C নিউক্লিয়াস
D রাইবোসোম
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as
A consolidated drained test
B consolidated undrained test
C unconsolidated drained test
D unconsolidated undrained test
In fuel cell, the ______ energy is converted into electrical energy.
A mechanical
B chemical
C heat
D sound
The currency of Japan is known as -
A Yen
B Dollar
C Renminbi
D Ringgit
The deliberate lowering of the price of a nation’s currency in terms of the accepted standard (Gold, American dollar or the British pound) is known as ______.
A Currency appreciation
B Currency depreciation
C Currency devaluation
D Currency float
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in
A Raman spectra
B Absorption spectra
C Emission spectra
D Fluorescence
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)
A A
B N
C A+N
D A-N
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to
A $${\text{A}}$$
B $$\frac{{\text{A}}}{2}$$
C $$\frac{{\text{A}}}{{\sqrt 2 }}$$
D $${\text{A}}\sqrt 2 $$
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
A Always irreversible
B Insensitive to temperature changes
C Mostly irreversible
D Highly temperature sensitive

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