Related Questions

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
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
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
Which of the following property defines the alignment of Ruby text as defined by a tag, in relation to base text defined by a tag?
A ruby-align
B ruby-text
C ruby
D none of the mentioned
Geothermal energy may serve as an important source of energy in
A The Konkan Coast
B Ladakh District
C Aravalli Hills
D Narmada Valley
Helmholtz free energy (A) is defined as
A A = H - TS
B A = E - TS
C A = H + TS
D None of these
Gibbs free energy (F) is defined as
A F = E - TS
B F = H - TS
C F = H + TS
D F = E + TS
The __________ may be able to specify style information for a particular document. For example, the user may specify a file that contains a style sheet or the user agent may provide an interface that generates a user style sheet.
A author
B user
C user-agent
D none of the mentioned
Thermal conductivity of a material may be defined as the
A Quantity of heat flowing in one second through one cm cube of material when opposite faces are maintained at a temperature difference of 1°C
B Quantity of heat flowing in one second through a slab of the material of area one cm square, thickness 1 cm when its faces differ in temperature by 1°C
C Heat conducted in unit time across unit area through unit thickness when a temperature difference of unity is maintained between opposite faces
D All of the above

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