Related Questions

Which of the following is a Non Renewable Resource of Energy?
A Wind Power
B Hydrogen Fuel
C Natural Gas
D Solar Energy
Which of the following is a renewable resource of energy?
A Hydrogen fuel
B Wind energy
C Solar energy
D All of the above
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
The earth's resources are being depleted too fast. To correct this , Alpha country must keep its resource consumption at present levels for many years to come. Which of the following , if true , would most strengthen the argument above ?
A New resource deposits are constantly being discovered
B Other countries need economic development more than Alpha country does.
C Alpha country consumes one-third of all resources used in the world
D Other countries have agreed to hold their resource consumption at present levels
The earth's resources are being depleted much too fast, To correct this, as a developing country, Bangladesh must keep its resource consumption at present levels for many years to come". The argument in this statement is based on which of the following assumptions?
A Per capital resource consumption in Bangladesh is at an all-tome high
B Curbing resource consumption of Bangladesh will significantly delay world resource delpetion
C Bangladesh uses more resources than any other country
D Bangladesh imports most of the resources it uses.
Which one of the following function outputs the contents of a string variable to the specified resource?
A filewrite()
B fwrite()
C filewrites()
D fwrites()
Which one of the following function is used to return an array consisting of various DNS resource records pertinent to a specific domain?
A dns_get_record()
B dns_record()
C dnsrr_get_record()
D dnsrr_record()

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