The probability that at least one of the events Q and R occur is 0.6. If Q and R have probability of occurring together as 0.2, then P(Q) + P(R) is..........

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#Question id: 23141

#Unit 13. Methods in Biology

Resolution of a light microscope is 0.42nm at 300 wavelength of light. If the specimen is viewed under oil what is the refractive index?

TLS Online TPP Program

#Question id: 23142

#Unit 13. Methods in Biology

What is the value of numerical aperture of microscope if glycerol is used and sin α= 70^o?

TLS Online TPP Program

#Question id: 23143

#Unit 13. Methods in Biology

Which of the following parameters will give the best resolution in microscopy?

TLS Online TPP Program

#Question id: 23144

#Unit 13. Methods in Biology

An optical measurement of a protein is taken through microscopy by given that protein a high energy light and it emits a low energy light after absorption. What phenomenon is taking place?

TLS Online TPP Program

#Question id: 23145

#Unit 13. Methods in Biology

A chemical is said to be fluorescent if it absorbs light at one wavelength (excitation) and emits light (fluoresces) at a specific 

TLS Online TPP Program

#Question id: 23146

#Unit 13. Methods in Biology

A phenomenon of absorption of light at a certain wavelength and then emission at longer wavelength is known as