Which of the following statement is not correct
Which of the following statement is not correct
- A
Photographic plates are sensitive to infrared rays
- B
Photographic plates are sensitive to ultraviolet rays
- C
Infra-red rays are invisible but can cast shadows like visible light
- D
Infrared photons have more energy than photons of visible light
Similar Questions
If the total energy transferred to a surface in time $t$ is $6.48 \times 10^5 \mathrm{~J}$, then the magnitude of the total momentum delivered to this surface for complete absorption will be :
If the total energy transferred to a surface in time $t$ is $6.48 \times 10^5 \mathrm{~J}$, then the magnitude of the total momentum delivered to this surface for complete absorption will be :
- [JEE MAIN 2024]
A small object at rest, absorbs a light pulse of power $20\,mW$ and duration $300\,ns$. Assuming speed of light as $3 \times 10^8\,m / s$. the momentum of the object becomes equal to $.........\times 10^{-17} kg\,m / s$
A small object at rest, absorbs a light pulse of power $20\,mW$ and duration $300\,ns$. Assuming speed of light as $3 \times 10^8\,m / s$. the momentum of the object becomes equal to $.........\times 10^{-17} kg\,m / s$
- [JEE MAIN 2023]
The momentum of the photon of wavelength $5000\,\mathring A$ will be
The momentum of the photon of wavelength $5000\,\mathring A$ will be
Match the column
$(A)$ Hallwachs $\&$ Lenard
$(P)$ Transformers
$(B)$ Franck-Hertz
$(Q)$ Microwave
$(C)$ Klystron valve
$(R)$ Quantization of energy levels
$(D)$ Nicola Tesla
$(S)$ Photoelectric effect
Match the column
| $(A)$ Hallwachs $\&$ Lenard | $(P)$ Transformers |
| $(B)$ Franck-Hertz | $(Q)$ Microwave |
| $(C)$ Klystron valve | $(R)$ Quantization of energy levels |
| $(D)$ Nicola Tesla | $(S)$ Photoelectric effect |
The continuous part of $X$-ray spectrum is a result of the
The continuous part of $X$-ray spectrum is a result of the
- [KVPY 2016]