AP EAMCET · PHYSICS · Electromagnetic Waves
The shortest wavelength of -rays emitted from an -ray tube depends upon
- A Nature of the gas in the tube
- B Voltage applied to tube
- C Current in the tube
- D Nature of target of the tube
Answer & Solution
Correct Answer
(B) Voltage applied to tube
Step-by-step Solution
Detailed explanation
Shortest wavelength or cut-off wavelength depends only open the voltage applied in the Coolidge tube.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- A force of \(10 \mathrm{~N}\) acting at an angle on a particle produces a displacement of \((3 \hat{i}-4 \hat{\jmath}) \mathrm{m}\). Due to this force, if the kinetic energy of the particle is decreased by 25 joule, then the angle between the force and the displacement isAP EAMCET 2022 Easy
- A car of mass 2000 kg is accelerating from rest. If its engine is supplying constant power of 10 kW, then the velocity of the car at a time of 10 s isAP EAMCET 2025 Medium
- A metallic disc of radius 0.3 m is rotating with a constant angular speed of \(60 \mathrm{rad} \mathrm{s}^{-1}\) in a plane perpendicular to a uniform magnetic field of \(5 \times 10^{-2} \mathrm{~T}\). The emf induced between a point on the rim and centre of the disc isAP EAMCET 2025 Medium
- A \(500 \mathrm{~g}\) ball is attached to one end of an aluminum wire of area of cross-section \(0.5 \mathrm{~mm}^2\) and an unstretched length of \(1.4 \mathrm{~m}\). The other end of the wire is fixed to the top of a vertical pole. The ball rotates about the pole in a horizontal plane such that the angle between the wire and the horizontal is \(30^{\circ}\). The increase in the length of the wire is ____ \(\mathrm{mm}\). (Young's modulus of aluminum \(=0.7 \times 10^{11} \mathrm{Nm}^{-2}\) and acceleration due to gravity \(=10 \mathrm{~ms}^{-2}\))AP EAMCET 2017 Medium
- A transistor is connected in common emitter configuration. The collector supply is and the voltage drop across a resistor of in the collector circuit is . If the current gain factor is , the base current isAP EAMCET 2021 Medium
- The displacements of two particles of same mass executing SHM are represented by the equations
\(x_1=4 \sin \left(10 t+\frac{\pi}{6}\right) \text { and } x_2=5 \cos (\omega t) .\)
The value of \(\omega\) for which the energies of both the particles remain same isAP EAMCET 2010 Medium
More PYQs from AP EAMCET
- The number of trials conducted in a binomial distribution is 6. If the difference between the mean and variance of this variate is \(\frac{27}{8}\), then the probability of getting atmost 2 successes isAP EAMCET 2025 Medium
- The compound in which the number of \(d \pi\) - \(p \pi\) bonds are equal to those present in \(\mathrm{ClO}_4^{-}\)AP EAMCET 2008 Hard
- The capacitance of a spherical condenser is \(1 \mu \mathrm{F}\). If the spacing between the two spheres is \(1 \mathrm{~mm}\), the radius of the outer sphere isAP EAMCET 2020 Easy
- If a point \((\alpha, \beta)\) of \(3 x+y=0\) and \((3,4)\) lie on the opposite sides of \(3 x-4 y-8=0\) then which of the following is correct?AP EAMCET 2022 Easy
- \(x^2+y^2+2 x+4 y-20=0\) and \(x^2+y^2+6 x-8 y+10=0\) are the given circles. Which one of the following is correct?AP EAMCET 2018 Medium
- Suppose that a random variable \(X\) follows Poisson distribution. If \(P(X=1)=P(X=2)\) then \(P(X=5)\) is equal toAP EAMCET 2010 Medium