Search results for "Photoelectric Effect"

Physics

CAIE2024

8 × 1014 Hz. (i) Calculate the work function energy of magnesium. work function energy = ...................................................... J [2] (ii) For ultraviolet radiation with a frequency of 11 × 10 14 Hz, calculate the maximum speed of the emitted electrons. maximum speed = ................................................ m s–1 [3] (cid:300)(cid:205)(cid:266)(cid:190)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:221)(cid:251)(cid:184)(cid:258)(cid:215) © UCLES 2024 (cid:300)(cid:223)(cid:285)(cid:251)(cid:218)(cid:294)(cid:281)(cid:247)(cid:217)(cid:252)(cid:267)(cid:261)(cid:285)(cid:190)(cid:235)(cid:218)(cid:300)(cid:258) 9702/41/O/N/24 (cid:293)(cid:245)(cid:181)(cid:213)(cid:245)(cid:181)(cid:229)(cid:181)(cid:213)(cid:229)(cid:229)(cid:197)(cid:261)(cid:245)(cid:293)(cid:277)(cid:261)(cid:213) NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD PMT * 0000800000019 *

Question

Physics

CAIE2024

8 × 1014 Hz. (i) Calculate the work function energy of magnesium. work function energy = ...................................................... J [2] (ii) For ultraviolet radiation with a frequency of 11 × 10 14 Hz, calculate the maximum speed of the emitted electrons. maximum speed = ................................................ m s–1 [3] (cid:300)(cid:205)(cid:266)(cid:190)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:221)(cid:250)(cid:184)(cid:258)(cid:215) © UCLES 2024 (cid:300)(cid:224)(cid:192)(cid:251)(cid:210)(cid:296)(cid:294)(cid:273)(cid:219)(cid:265)(cid:263)(cid:276)(cid:175)(cid:288)(cid:194)(cid:185)(cid:296)(cid:258) 9702/43/O/N/24 (cid:293)(cid:277)(cid:245)(cid:213)(cid:181)(cid:277)(cid:261)(cid:245)(cid:181)(cid:197)(cid:245)(cid:261)(cid:197)(cid:181)(cid:197)(cid:245)(cid:197)(cid:213) NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD PMT * 0000800000019 *

Question

Physics

CAIE2024

5 E / 10–19 J MAX

Question

Physics

CAIE2024

0 × 1014 Hz and 11 × 1014 Hz. On Fig. 8.1, sketch the variation with f of the maximum kinetic energy E of the emitted MAX electrons. Use the space below for any working that you need.

Question

Physics

CAIE2024

5 E / 10–19 J MAX

Question

Physics

CAIE2024

A polished sheet of magnesium in a vacuum emits electrons when it is illuminated by ultraviolet radiation. (a) State the name of this phenomenon. ............................................................................................................................................. [1] (b) For emission of electrons to occur, the frequency of the ultraviolet radiation must be at least

Question

Physics

CAIE2024

A polished sheet of magnesium in a vacuum emits electrons when it is illuminated by ultraviolet radiation. (a) State the name of this phenomenon. ............................................................................................................................................. [1] (b) For emission of electrons to occur, the frequency of the ultraviolet radiation must be at least

Question

Physics

CAIE2024

0 × 1014 Hz and 11 × 1014 Hz. On Fig. 8.1, sketch the variation with f of the maximum kinetic energy E of the emitted MAX electrons. Use the space below for any working that you need.

Question

Physics

CAIE2023

Light of wavelength 450 nm is incident on a metal surface. The work function of the metal is 3.2 × 10⁻¹⁹ J. (a) Calculate the energy of a photon of this light. (b) Determine whether the photoelectric effect will occur. (c) If the photoelectric effect does occur, calculate the maximum kinetic energy of the emitted electrons. [h = 6.63 × 10⁻³⁴ J s, c = 3.0 × 10⁸ m/s]

[6 marks]

Physics

CAIE2022

( a) (cid:39)(cid:72)(cid:86)(cid:70)(cid:85)(cid:76)(cid:69)(cid:72) tw o (cid:83)(cid:75)(cid:72)(cid:81)(cid:82)(cid:80)(cid:72)(cid:81)(cid:68) (cid:68)(cid:86)(cid:86)(cid:82)(cid:70)(cid:76)(cid:68)(cid:87)(cid:72)(cid:71) (cid:90)(cid:76)(cid:87)(cid:75) (cid:87)(cid:75)(cid:72) (cid:83)(cid:75)(cid:82)(cid:87)(cid:82)(cid:72)(cid:79)(cid:72)(cid:70)(cid:87)(cid:85)(cid:76)(cid:70) (cid:72)(cid:73)(cid:73)(cid:72)(cid:70)(cid:87) (cid:87)(cid:75)(cid:68)(cid:87) (cid:70)(cid:68)(cid:81)(cid:81)(cid:82)(cid:87) (cid:69)(cid:72) (cid:72)(cid:91)(cid:83)(cid:79)(cid:68)(cid:76)(cid:81)(cid:72)(cid:71) (cid:88)(cid:86)(cid:76)(cid:81)(cid:74) (cid:68) (cid:90)(cid:68)(cid:89)(cid:72) (cid:87)(cid:75)(cid:72)(cid:82)(cid:85)(cid:92) (cid:82)(cid:73) (cid:79)(cid:76)(cid:74)(cid:75)(cid:87)(cid:17)

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Physics

CAIE2022

E / 10– 19 J max

Question

Physics

Edexcel2022

The electrons are produced by heating a metal filament. Which of the following is the name of this process? A ionisation B scattering C the photoelectric effect D thermionic emission (Total for Question 4 = 1 mark)

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